Public proof of conceptFix available

CVE-2021-25970

Q: Is CVE-2021-25970 actively exploited?

A proof-of-concept exploit exists for CVE-2021-25970, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2021-25970?

CVE-2021-25970 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2021-10-20
WeaknessCWE-613

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Camaleon CMS 0.1.7 to 2.6.0 doesn’t terminate the active session of the users, even after the admin changes the user’s password. A user that was already logged in, will still have access to the application even after the password was changed.

Timeline

dates in UTC

2021-10-2012:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-25970?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-25970?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Tuzitio camaleon cms

Branch	Affected	Fixed in	Source
2.6	≥ 0.1.7, ≤ 2.6.0	no fix published	NVD

camaleon_cms

Branch	Affected	Fixed in	Source
2.6	≥ 0.1.7, < 2.6.0.1	2.6.0.1	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

github.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2025-04-30
OpenCVESSVC decisionpoc—
CNACVSS 3.18.8read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
CNAweakness (CWE)CWE-613read 2026-10-23
NVDweakness (CWE)CWE-613read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2021-10-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-25970?

Is CVE-2021-25970 actively exploited?

A proof-of-concept exploit exists for CVE-2021-25970, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2021-25970?

CVE-2021-25970 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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