CVE-2022-33738 Vulnerability Analysis & Exploit Details

CVE-2022-33738
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2022-33738 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-2022-33738 Details

Status: Modified

Last updated: 🕖 21 Nov 2024, 07:08 UTC
Originally published on: 🕓 06 Jul 2022, 16:15 UTC

Time between publication and last update: 868 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-2022-33738 Vulnerability Summary

CVE-2022-33738: OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal

Assessing the Risk of CVE-2022-33738

Access Complexity Graph

The exploitability of CVE-2022-33738 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-2022-33738

With low attack complexity and no required privileges, CVE-2022-33738 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-2022-33738, 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-2022-33738, 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-2022-33738 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2022-33738 poses no threat to data integrity.
  • Availability: None
    CVE-2022-33738 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: 0.144% (probability of exploit)

EPSS Percentile: 51.7% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 48.3% of others.

CVE-2022-33738 References

External References

CWE Common Weakness Enumeration

CWE-338

Vulnerable Configurations

  • cpe:2.3:a:openvpn:openvpn_access_server:-:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:-:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:1.5.6:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:1.5.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.10:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.10:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.11:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.11:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.12:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.12:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.17:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.17:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.20:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.20:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.21:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.21:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.24:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.24:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.25:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.25:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.0.26:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.0.26:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.6:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.8:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.9:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.9:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.12:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.1.12:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.7.3:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.7.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.7.4:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.7.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.7.5:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.7.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.6:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.7:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.8.8:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.8.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.3:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.4:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.5:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.9.6:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.9.6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.10.1:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.10.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.10.2:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.10.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn_access_server:2.10.3:*:*:*:*:*:*:*
    cpe:2.3:a:openvpn:openvpn_access_server:2.10.3:*:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2022-33738: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2025-43903 – NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
  • CVE-2025-3796 – A vulnerability classified as critical has been found in PHPGurukul Men Salon Management System 1.0. This affects an unknown part of the file /admi...
  • CVE-2025-32953 – z80pack is a mature emulator of multiple platforms with 8080 and Z80 CPU. In version 1.38 and prior, the `makefile-ubuntu.yml` workflow file uses `...
  • CVE-2025-29058 – An issue in Qimou CMS v.3.34.0 allows a remote attacker to execute arbitrary code via the upgrade.php component.
  • CVE-2024-53591 – An issue in the login page of Seclore v3.27.5.0 allows attackers to bypass authentication via a brute force attack.