CVE-2024-55603 Vulnerability Analysis & Exploit Details

CVE-2024-55603
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2024-55603 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2024-55603 Details

Status: Analyzed

Last updated: 🕠 12 Mar 2025, 17:42 UTC
Originally published on: 🕛 19 Dec 2024, 00:15 UTC

Time between publication and last update: 83 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVE-2024-55603 Vulnerability Summary

CVE-2024-55603: Kanboard is project management software that focuses on the Kanban methodology. In affected versions sessions are still usable even though their lifetime has exceeded. Kanboard implements a cutom session handler (`app/Core/Session/SessionHandler.php`), to store the session data in a database. Therefore, when a `session_id` is given, kanboard queries the data from the `sessions` sql table. At this point, it does not correctly verify, if a given `session_id` has already exceeded its lifetime (`expires_at`). Thus, a session which's lifetime is already `> time()`, is still queried from the database and hence a valid login. The implemented **SessionHandlerInterface::gc** function, that does remove invalid sessions, is called only **with a certain probability** (_Cleans up expired sessions. Called by `session_start()`, based on `session.gc_divisor`, `session.gc_probability` and `session.gc_maxlifetime` settings_) accordingly to the php documentation. In the official Kanboard docker image these values default to: session.gc_probability=1, session.gc_divisor=1000. Thus, an expired session is only terminated with probability 1/1000. This issue has been addressed in release 1.2.43 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Assessing the Risk of CVE-2024-55603

Access Complexity Graph

The exploitability of CVE-2024-55603 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2024-55603

With low attack complexity and no required privileges, CVE-2024-55603 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2024-55603, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2024-55603, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2024-55603 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2024-55603 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2024-55603 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.112% (probability of exploit)

EPSS Percentile: 46.39% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 53.61% of others.

CVE-2024-55603 References

External References

CWE Common Weakness Enumeration

CWE-613

Vulnerable Configurations

  • cpe:2.3:a:kanboard:kanboard:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.9:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.10:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.10:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.11:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.12:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.12:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.13:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.13:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.14:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.14:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.15:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.15:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.16:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.16:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.17:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.17:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.18:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.18:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.19:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.19:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.20:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.20:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.21:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.21:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.22:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.22:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.23:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.23:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.24:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.24:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.25:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.25:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.26:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.26:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.27:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.27:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.28:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.28:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.29:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.29:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.30:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.30:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.31:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.31:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.31:beta0:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.31:beta0:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.31:beta1:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.31:beta1:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.32:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.32:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.32:beta0:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.32:beta0:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.32:beta1:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.32:beta1:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.33:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.33:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.34:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.34:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.35:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.35:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.36:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.36:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.37:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.37:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.38:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.38:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.39:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.39:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.40:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.40:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.41:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.41:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.42:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.42:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.43:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.43:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.44:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.44:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.45:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.45:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.46:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.46:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.47:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.47:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.0.48:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.0.48:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.7:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.8:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.9:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.10:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.11:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.11:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.12:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.12:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.13:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.13:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.14:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.14:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.15:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.15:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.16:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.16:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.17:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.17:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.18:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.18:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.19:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.19:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.20:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.20:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.21:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.21:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.22:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.22:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.23:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.23:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.24:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.24:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.25:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.25:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.26:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.26:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.27:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.27:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.28:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.28:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.29:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.29:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.30:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.30:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.31:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.31:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.32:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.32:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.33:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.33:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.34:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.34:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.35:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.35:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.36:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.36:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.37:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.37:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.38:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.38:*:*:*:*:*:*:*
  • cpe:2.3:a:kanboard:kanboard:1.2.39:*:*:*:*:*:*:*
    cpe:2.3:a:kanboard:kanboard:1.2.39:*:*:*:*:*:*:*

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