CVE-2020-5296
Arbitrary File Deletion vulnerability in OctoberCMS
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).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.2
Arbitrary File Deletion vulnerability in OctoberCMS
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).
- Record
CVE-2020-5296- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-73
- Updated
- 2026-11-02
EUVDEUVD-2020-0496
6.2
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).
- Record
EUVD-2020-0496- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jv6v-fvvx-4932
6.2
Arbitrary File Deletion vulnerability in OctoberCMS
Impact
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.
Patches
Issue has been patched in Build 466 (v1.0.466).
Workarounds
Apply https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc to your installation manually if unable to upgrade to Build 466.
References
Reported by Sivanesh Ashok
For more information
If you have any questions or comments about this advisory:
- Email us at [email protected]
Threat assessment:
<img width="1241" alt="Screen Shot 2020-03-31 at 12 16 53 PM" src="https://user-images.githubusercontent.com/7253840/78060872-89354d00-7349-11ea-8c2b-5881b0a50736.png">
- Record
GHSA-jv6v-fvvx-4932- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-73, CWE-610
- Updated
- 2026-11-02
NVD
6.2
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).
- Record
CVE-2020-5296- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N - CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-73, CWE-610
- Updated
- 2026-11-02
OSV
4.9
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).
- Record
CVE-2020-5296- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-jv6v-fvvx-4932
6.2
Arbitrary File Deletion vulnerability in OctoberCMS
Impact
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.
Patches
Issue has been patched in Build 466 (v1.0.466).
Workarounds
Apply https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc to your installation manually if unable to upgrade to Build 466.
References
Reported by Sivanesh Ashok
For more information
If you have any questions or comments about this advisory:
- Email us at [email protected]
Threat assessment:
<img width="1241" alt="Screen Shot 2020-03-31 at 12 16 53 PM" src="https://user-images.githubusercontent.com/7253840/78060872-89354d00-7349-11ea-8c2b-5881b0a50736.png">
- Record
GHSA-jv6v-fvvx-4932- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-610, CWE-73
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
october/cmsPackagist |
1.0.319 up to 1.0.466 | 1.0.466 |
october/cmsPackagist |
1.0.319 up to 1.0.466, plus listed versions v1.0.319v1.0.320v1.0.321v1.0.322v1.0.323 Show 45 moreShow lessv1.0.324v1.0.325v1.0.326v1.0.327v1.0.328v1.0.329v1.0.330v1.0.331v1.0.332v1.0.333v1.0.334v1.0.335v1.0.336v1.0.337v1.0.338v1.0.339v1.0.340v1.0.341v1.0.342v1.0.343v1.0.344v1.0.345v1.0.346v1.0.347v1.0.348v1.0.349v1.0.350v1.0.351v1.0.352v1.0.353v1.0.354v1.0.355v1.0.356v1.0.357v1.0.358v1.0.359v1.0.360v1.0.361v1.0.362v1.0.363v1.0.364v1.0.365v1.0.366v1.0.367v1.0.368 |
1.0.466 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5296 is a medium vulnerability (CVSS 6.2) in Octobercms October, published June 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. Fixed in october/cms 1.0.466.
References
github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc
github.com/octobercms/october/security/advisories/GHSA-jv6v-fvvx-4932
packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html
seclists.org/fulldisclosure/2020/Aug/2
nvd.nist.gov/vuln/detail/CVE-2020-5296
github.com/advisories/GHSA-jv6v-fvvx-4932
Left out here: 97 versions. The JSON record has them.