CVE-2020-5296 json
Arbitrary File Deletion vulnerability in OctoberCMS
published 2020-06-03 6 y ago modified 2026-07-08 4 mo ago also GHSA-jv6v-fvvx-4932 , EUVD-2020-0496
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to delete arbitrary local files of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission. Issue has been patched in Build 466 (v1.0.466).
Patch / fix
- packagist october/cms 1.0.466
- octobercms october 1.0.466
Exploit prediction
1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html referenced PoC, tagged "exploit" by a source, unverified
- seclists.org http://seclists.org/fulldisclosure/2020/Aug/2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N |
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 6.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | october/cms | >=1.0.319, <1.0.466 |
1.0.466 |
Affected products
- octobercms october
Classification
References
-
github.com
/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc
web, patch, third-party-advisory
-
github.com
/octobercms/october/security/advisories/GHSA-jv6v-fvvx-4932
web, patch, third-party-advisory
-
packetstormsecurity.com
/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html
web, exploit, third-party-advisory, vdb-entry
-
seclists.org
/fulldisclosure/2020/Aug/2
mailing-list, web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-5296
advisory
Sources
- CVE List CVE-2020-5296
- GitHub Advisory GHSA-jv6v-fvvx-4932
- NVD CVE-2020-5296
Fencer Vulns 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.