CVE-2020-24036
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an...
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
- Record
CVE-2020-24036- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
- Record
CVE-2020-24036- Updated
- 2026-11-02
EUVDEUVD-2020-16772 No score
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
- Record
EUVD-2020-16772- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xvr9-jr9p-grf3
8.8
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an...
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
- Record
GHSA-xvr9-jr9p-grf3- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502, CWE-915
- Updated
- 2026-11-02
OSV
8.8
PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.
- Record
CVE-2020-24036- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-24036 is a high vulnerability (CVSS 8.8) in Fork-cms Fork Cms, published March 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.96%, the 87th percentile. No source names a fixed version.
References
ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-04
tech.feedyourhead.at/content/ForkCMS-PHP-Object-Injection-CVE-2020-24036
seclists.org/fulldisclosure/2021/Mar/31
packetstormsecurity.com/files/161764/ForkCMS-PHP-Object-Injection.html
nvd.nist.gov/vuln/detail/CVE-2020-24036
forkcms.com
github.com/advisories/GHSA-xvr9-jr9p-grf3