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CVE-2020-5295

Local File read vulnerability in OctoberCMS

4.8 MediumPublic exploitFix available

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to read 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
Low
Integrity
Low
Availability
None

Exploit likelihood

7.37%Up 2.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.8

Local File read 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 read 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-2020-5295
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-98
Updated
2026-11-02
EUVDEUVD-2020-0511 4.8

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to read 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-2020-0511
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-r23f-c2j5-rx2f 4.8

Local File read vulnerability in OctoberCMS

Impact

An attacker can exploit this vulnerability to read 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:

Threat assessment:

<img width="1108" alt="Screen Shot 2020-03-31 at 2 37 53 PM" src="https://user-images.githubusercontent.com/7253840/78072989-44b3ac80-735d-11ea-8676-09c69f0409c4.png">

Record
GHSA-r23f-c2j5-rx2f
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-98, CWE-829
Updated
2026-11-02
NVD 4.8

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to read 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-2020-5295
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-98, CWE-829
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 read 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-2020-5295
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVGHSA-r23f-c2j5-rx2f 4.8

Local File read vulnerability in OctoberCMS

Impact

An attacker can exploit this vulnerability to read 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:

Threat assessment:

<img width="1108" alt="Screen Shot 2020-03-31 at 2 37 53 PM" src="https://user-images.githubusercontent.com/7253840/78072989-44b3ac80-735d-11ea-8676-09c69f0409c4.png">

Record
GHSA-r23f-c2j5-rx2f
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-829, CWE-98
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
october/cms
Packagist
 1.0.319 up to 1.0.466
1.0.466
october/cms
Packagist
 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 less
v1.0.324v1.0.325v1.0.326v1.0.327v1.0.328v1.0.329v1.0.330v1.0.331v1.0.332v1.0.333v1.0.334v1.0.335v1.0.336v1.0.337v1.0.338v1.0.339v1.0.340v1.0.341v1.0.342v1.0.343v1.0.344v1.0.345v1.0.346v1.0.347v1.0.348v1.0.349v1.0.350v1.0.351v1.0.352v1.0.353v1.0.354v1.0.355v1.0.356v1.0.357v1.0.358v1.0.359v1.0.360v1.0.361v1.0.362v1.0.363v1.0.364v1.0.365v1.0.366v1.0.367v1.0.368
1.0.466

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBOctober CMS Build 465 - Arbitrary File Read Exploit (Authenticated)2020-11-13

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-5295 is a medium vulnerability (CVSS 4.8) in Octobercms October, published June 3, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.37%, the 94th percentile. Fixed in october/cms 1.0.466.

References

This page doesn't list everything

Left out here: 97 versions. The JSON record has them.

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