What is the CVSS score of CVE-2020-23837?

CVE-2020-23837 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2020-23837?

Yes, a public proof-of-concept exploit is available for CVE-2020-23837. Prioritise patching immediately. EPSS: 0.8%.

Multi User CVE-2020-23837

HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2020-09-25 cve@mitre.org

CSRF Multi User

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 25, 2020 - 04:23 nvd

HIGH 8.8

DescriptionNVD

AnalysisAI

A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a third-party site or clicks on a URL. Affected products include: Multi User Project Multi User.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.