CVE-2020-14961
Unrestricted Uploads in Concrete5
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
CVE-2020-14961- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
CVE-2020-14961- Updated
- 2026-11-02
EUVDEUVD-2022-0996 No score
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
EUVD-2022-0996- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g4gm-pxh3-29fq
5.3
Unrestricted Uploads in Concrete5
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
GHSA-g4gm-pxh3-29fq- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
5.3
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
CVE-2020-14961- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-g4gm-pxh3-29fq
5.3
Unrestricted Uploads in Concrete5
Concrete5 before 8.5.3 does not constrain the sort direction to a valid asc or desc value.
- Record
GHSA-g4gm-pxh3-29fq- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
concrete5/concrete5Packagist |
before 8.5.3 | 8.5.3 |
concrete5/concrete5Packagist |
before 8.5.3, plus listed versions 8.08.0.18.0.28.0.38.1.0 Show 19 moreShow less8.2.08.2.0RC28.2.18.3.08.3.18.3.28.4.08.4.0RC38.4.0RC48.4.18.4.28.4.38.4.48.4.58.5.08.5.0RC18.5.0RC28.5.18.5.2 |
8.5.3 |
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-2020-14961 is a medium vulnerability (CVSS 5.3) in Concretecms Concrete Cms, published June 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 61st percentile. Fixed in concrete5/concrete5 8.5.3.