CVE-2022-43686
Concrete CMS vulnerable to Uncontrolled Resource Consumption leading to DoS
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
CVE-2022-43686- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
CVE-2022-43686- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2022-7206
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
EUVD-2022-7206- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3cxx-3f53-m92c
Concrete CMS vulnerable to Uncontrolled Resource Consumption leading to DoS
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
GHSA-3cxx-3f53-m92c- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
CVE-2022-43686- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-3cxx-3f53-m92c
Concrete CMS vulnerable to Uncontrolled Resource Consumption leading to DoS
In Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2, the authTypeConcreteCookieMap table can be filled up causing a denial of service (high load).
- Record
GHSA-3cxx-3f53-m92c- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
concrete5/concrete5Packagist |
before 8.5.10 | 8.5.10 |
concrete5/concrete5Packagist |
9.0.0 up to 9.1.3 | 9.1.3 |
concrete5/concrete5Packagist |
before 8.5.10, plus listed versions 8.08.0.18.0.28.0.38.1.0 Show 27 moreShow less8.2.08.2.0RC28.2.18.3.08.3.18.3.28.4.08.4.0RC38.4.0RC48.4.18.4.28.4.38.4.48.4.58.5.08.5.0RC18.5.0RC28.5.18.5.28.5.38.5.48.5.58.5.68.5.6RC18.5.78.5.88.5.9 |
8.5.10 |
concrete5/concrete5Packagist |
9.0.0 up to 9.1.3, plus listed versions 9.0.19.0.29.1.09.1.19.1.2 |
9.1.3 |
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-2022-43686 is a medium vulnerability (CVSS 6.5) in Concretecms Concrete Cms, published November 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. Fixed in concrete5/concrete5 8.5.10.
References
github.com/concretecms/concretecms/releases/9.1.3
documentation.concretecms.org/developers/introduction/version-history/913-release-notes
concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31
nvd.nist.gov/vuln/detail/CVE-2022-43686