Skip to main content
CRITICAL

CVE-2021-27312

CVSS v3

9.4

CRITICAL

EPSS Score

1.0 %

exploit probability, as of 2026-10-18

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for gleez/cms.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gleez/cmsPackagistall versions · no fixed version listed

Full record on NVD

Description

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.

Technical details

Published
2024-04-03

Frequently asked questions

What is CVE-2021-27312?

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.

Is CVE-2021-27312 actively exploited?

Active exploitation of CVE-2021-27312 has not been confirmed. Its EPSS score was 1.0% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27312?

CVE-2021-27312 has a CVSS v3 base score of 9.4 (CRITICAL severity).

Running gleez/cms? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month