What is the CVSS score of CVE-2020-24033?

CVE-2020-24033 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: 1.0%.

Is there a public PoC exploit available for CVE-2020-24033?

Yes, a public proof-of-concept exploit is available for CVE-2020-24033. Prioritise patching immediately. EPSS: 1.0%.

S3900 24T4S Firmware CVE-2020-24033

HIGH

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

2020-10-22 cve@mitre.org

CSRF S3900 24T4S Firmware

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

Oct 22, 2020 - 14:15 nvd

HIGH 8.8

DescriptionNVD

An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.

AnalysisAI

An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. 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. An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges. Affected products include: Fs S3900 24T4S Firmware.

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.