CVE-2021-25971 json
Camaleon CMS - SVG File Upload Creates DoS for Media Upload Feature
published 5y ago modified 4mo ago also GHSA-r2w2-h6r8-3r53 , EUVD-2022-5071
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
In Camaleon CMS, versions 2.0.1 to 2.6.0 are vulnerable to an Uncaught Exception. The app's media upload feature crashes permanently when an attacker with a low privileged access uploads a specially crafted .svg file
Patch / fix
Is CVE-2021-25971 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | camaleon_cms | >=2.0.1, <2.6.0.1 |
2.6.0.1 |
Affected products
- camaleon_cms camaleon_cms
Classification
References
-
github.com
/owen2345/camaleon-cms/commit/ab89584ab32b98a0af3d711e3f508a1d048147d2
web, patch, third-party-advisory
-
whitesourcesoftware.com
/vulnerability-database/CVE-2021-25971
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-25971
advisory
-
github.com
/owen2345/camaleon-cms
package
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2021-25971.yml
web
Sources
- CVE List CVE-2021-25971
- GitHub Advisory GHSA-r2w2-h6r8-3r53
- NVD CVE-2021-25971
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.