What is the CVSS score of CVE-2023-39415?

CVE-2023-39415 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.8%.

Proself CVE-2023-39415

HIGH

Improper Authentication (CWE-287)

2023-08-18 vultures@jpcert.or.jp

Authentication Bypass Proself

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Aug 18, 2023 - 10:15 nvd

HIGH 7.5

DescriptionNVD

Improper authentication vulnerability in Proself Enterprise/Standard Edition Ver5.61 and earlier, Proself Gateway Edition Ver1.62 and earlier, and Proself Mail Sanitize Edition Ver1.07 and earlier allow a remote unauthenticated attacker to log in to the product's Control Panel and perform an unintended operation.

AnalysisAI

Improper authentication vulnerability in Proself Enterprise/Standard Edition Ver5.61 and earlier, Proself Gateway Edition Ver1.62 and earlier, and Proself Mail Sanitize Edition Ver1.07 and earlier. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Improper authentication vulnerability in Proself Enterprise/Standard Edition Ver5.61 and earlier, Proself Gateway Edition Ver1.62 and earlier, and Proself Mail Sanitize Edition Ver1.07 and earlier allow a remote unauthenticated attacker to log in to the product's Control Panel and perform an unintended operation. Affected products include: Northgrid Proself.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.