🛡️ CVE-2021-27312 — cms

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-918 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Gleez Cms Server Side Request Forgery (SSRF) vulnerability

Server Side Request Forgery (SSRF) vulnerability in Gleez Cms 1.2.0, allows remote attackers to execute arbitrary code and obtain sensitive information via modules/gleez/classes/request.php.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2021-27312 is classified as CWE-918: Server-Side Request Forgery (SSRF). The server fetches a URL supplied by the caller, which can be pointed at internal systems it alone can reach.

Affected software

CVE-2021-27312 is recorded against 1 package.

  • gleez/cms

Timeline and source

Published on 3 April 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
gist.github.com (Web)
github.com (Package)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-918
Public Exploit ✅ No
Source OSV
Published 2024-04-03
Updated 2026-08-12
Modified 2024-04-03
Fix URL N/A

Affected Packages

Software From version Fixed in
gleez/cms — —

Similar Threats

Exploit Protection

Are you running cms?

CVE-2021-27312 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

Check My Site For CVE-2021-27312 →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.