CVE-2022-43691

Concrete CMS vulnerable to Cleartext Transmission of Sensitive Information

5.3 MediumFix available

Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 inadvertently disclose server-side sensitive information (secrets in environment variables and server information) when Debug Mode is left on in production.

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: Low
Integrity: None
Availability: None

Exploit likelihood

0.48%Down 0.5 points since Nov 15, 2022

What each source reports

NVD Score used 5.3

Record: CVE-2022-43691
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

CVE List 5.3

Record: CVE-2022-43691
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

EUVDEUVD-2022-7406 5.3

Record: EUVD-2022-7406
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-q3hq-hm5h-qrx3 5.3

Concrete CMS vulnerable to Cleartext Transmission of Sensitive Information

Record: GHSA-q3hq-hm5h-qrx3
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

OSV 5.3

Record: CVE-2022-43691
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVGHSA-q3hq-hm5h-qrx3 5.3

Concrete CMS vulnerable to Cleartext Transmission of Sensitive Information

Record: GHSA-q3hq-hm5h-qrx3
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

Affected products

concretecms concrete cms

Affected packages

Affected packages
Package	Affected	Fixed
`concrete5/concrete5` Packagist	before 8.5.10	8.5.10
`concrete5/concrete5` Packagist	9.0.0 up to 9.1.3	9.1.3
`concrete5/concrete5` Packagist	before 8.5.10, plus listed versions 8.08.0.18.0.28.0.38.1.0 Show 27 moreShow less 8.2.08.2.0RC28.2.18.3.08.3.18.3.28.4.08.4.0RC38.4.0RC48.4.18.4.28.4.38.4.48.4.58.5.08.5.0RC18.5.0RC28.5.18.5.28.5.38.5.48.5.58.5.68.5.6RC18.5.78.5.88.5.9	8.5.10
`concrete5/concrete5` Packagist	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

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-43691 is a medium vulnerability (CVSS 5.3) 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 0.48%, the 41st percentile. Fixed in concrete5/concrete5 8.5.10.