Vulnerability in Concretecms Concrete Cms

CVE-2022-21829

Concrete CMS Versions 9.0.0 through 9.0.2 and 8.5.7 and below can download zip files over HTTP and execute code from those zip files which could lead to an RCE. Fixed by enforcing ‘concrete_secure’ instead of ‘concrete’. Concrete now only makes requests over https even a request comes in via http. Concrete CMS security team ranked this 8 with CVSS v3.1 vector: AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Credit goes to Anna for reporting HackerOne 1482520.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-21829: held from 0.017 to 0.018.

EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.001

Affected products

  • Concretecms Concrete Cms
  • Https://github.com/concrete5/concrete5 — versions Remediated in Concrete CMS 8.5.8 and 9.1.0. Affected Versions are Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-21829?
CVE-2022-21829 is a critical-severity vulnerability in Concretecms Concrete Cms, classified under Cleartext Transmission of Sensitive Information. CVSS score: 9.8/10. Published 2022-06-24.
How severe is CVE-2022-21829?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-21829 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.