CVE-2015-8314 Vulnerability Analysis & Exploit Details

CVE-2015-8314
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2015-8314 poses a critical security risk that could lead to severe breaches.

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-2015-8314 Details

Status: Analyzed

Last updated: 🕣 14 Dec 2023, 20:34 UTC
Originally published on: 🕔 12 Dec 2023, 17:15 UTC

Time between publication and last update: 2 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2015-8314 Vulnerability Summary

CVE-2015-8314: The Devise gem before 3.5.4 for Ruby mishandles Remember Me cookies for sessions, which may allow an adversary to obtain unauthorized persistent application access.

Assessing the Risk of CVE-2015-8314

Access Complexity Graph

The exploitability of CVE-2015-8314 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-2015-8314

With low attack complexity and no required privileges, CVE-2015-8314 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-2015-8314, 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-2015-8314, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2015-8314 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2015-8314 poses no threat to data integrity.
  • Availability: None
    CVE-2015-8314 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: 0.105% (probability of exploit)

EPSS Percentile: 44.82% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 55.18% of others.

CVE-2015-8314 References

External References

CWE Common Weakness Enumeration

CWE-312

CAPEC Common Attack Pattern Enumeration and Classification

  • Retrieve Embedded Sensitive Data CAPEC-37 An attacker examines a target system to find sensitive data that has been embedded within it. This information can reveal confidential contents, such as account numbers or individual keys/credentials that can be used as an intermediate step in a larger attack.

Vulnerable Configurations

  • cpe:2.3:a:heartcombo:devise:-:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:-:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.5:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.5:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.6:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.6:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.7:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.7:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.8:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.8:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.4.9:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.4.9:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.0:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.0:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:1.5.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:1.5.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.0:rc:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.0:rc:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.5:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.5:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.0.6:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.0.6:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.0:rc:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.0:rc:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.1.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.1.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.0:rc:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.0:rc:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.5:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.5:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.6:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.6:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.7:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.7:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:2.2.8:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:2.2.8:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.0:rc:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.0:rc:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.0.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.0.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.1.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.1.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.1.0:rc:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.1.0:rc:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.1.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.1.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.1.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.1.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.1.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.1.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.2.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.2.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.2.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.2.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.2.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.2.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.2.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.2.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.2.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.2.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.3.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.3.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.4.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.4.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.4.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.4.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.5.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.5.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.5.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.5.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.5.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.5.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:heartcombo:devise:3.5.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:heartcombo:devise:3.5.3:*:*:*:*:ruby:*:*

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