CVE-2022-22795 Vulnerability Analysis & Exploit Details

CVE-2022-22795
Vulnerability Scoring

6.8
/10
High Risk

If left unpatched, CVE-2022-22795 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Physical
    Physical access is required to exploit this vulnerability.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2022-22795 Details

Status: Modified

Last updated: 🕡 21 Nov 2024, 06:47 UTC
Originally published on: 🕠 10 Mar 2022, 17:45 UTC

Time between publication and last update: 986 days

CVSS Release: version 3

CVSS3 Source

cna@cyber.gov.il

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CVE-2022-22795 Vulnerability Summary

CVE-2022-22795: Signiant - Manager+Agents XML External Entity (XXE) - Extract internal files of the affected machine An attacker can read all the system files, the product is running with root on Linux systems and nt/authority on windows systems, which allows him to access and extract any file on the systems, such as passwd, shadow, hosts and so on. By gaining access to these files, attackers can steal sensitive information from the victims machine.

Assessing the Risk of CVE-2022-22795

Access Complexity Graph

The exploitability of CVE-2022-22795 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-2022-22795

The exploitability of CVE-2022-22795 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

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-2022-22795, 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-2022-22795, 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-2022-22795 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2022-22795 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2022-22795 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.214% (probability of exploit)

EPSS Percentile: 59.88% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 40.12% of others.

CVE-2022-22795 References

External References

CWE Common Weakness Enumeration

CWE-611

CAPEC Common Attack Pattern Enumeration and Classification

  • Data Serialization External Entities Blowup CAPEC-221 This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.

Vulnerable Configurations

  • cpe:2.3:a:signiant:manager\+agents:12.0:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:12.1:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:12.1:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:13.0:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:13.0:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:13.1:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:13.1:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:13.2:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:13.2:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:13.3:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:13.3:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:13.4:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:13.4:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:14.0:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:14.0:*:*:*:*:*:*:*
  • cpe:2.3:a:signiant:manager\+agents:15.0:*:*:*:*:*:*:*
    cpe:2.3:a:signiant:manager\+agents:15.0:*:*:*:*:*:*:*

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