CVE-2022-43690

Concrete CMS vulnerable to Improper Authentication

6.3 MediumFix available

Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 did not use strict comparison for the legacy_salt so that limited authentication bypass could occur if using this functionality. Remediate by updating to Concrete CMS 9.1.3+ or 8.5.10+.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.66%Down 0.3 points since Nov 15, 2022

What each source reports

NVD Score used 6.3

Record: CVE-2022-43690
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness: CWE-287
Updated: 2026-11-02

CVE List 6.3

Record: CVE-2022-43690
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness: CWE-287
Updated: 2026-11-02

EUVDEUVD-2022-7408 6.3

Record: EUVD-2022-7408
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-q56r-mw39-944g 6.3

Concrete CMS vulnerable to Improper Authentication

Record: GHSA-q56r-mw39-944g
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness: CWE-287
Updated: 2026-11-02

OSV 6.3

Record: CVE-2022-43690
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVGHSA-q56r-mw39-944g 6.3

Concrete CMS vulnerable to Improper Authentication

Record: GHSA-q56r-mw39-944g
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness: CWE-287
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-2022-43690 is a medium vulnerability (CVSS 6.3) 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 0.66%, the 51st percentile. Fixed in concrete5/concrete5 8.5.10.

References

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