CVE-2023-45669
Improper signature counter value handling in webauthn4j-spring-security
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
WebAuthn4J Spring Security provides Web Authentication specification support for Spring applications. Affected versions are subject to improper signature counter value handling. A flaw was found in webauthn4j-spring-security-core. When an authneticator returns an incremented signature counter value during authentication, webauthn4j-spring-security-core does not properly persist the value, which means cloned authenticator detection does not work. An attacker who cloned valid authenticator in some way can use the cloned authenticator without being detected. This issue has been addressed in version `0.9.1.RELEASE`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Timeline
ID reserved
By GitHub_M
- 6 days later
· 6 days later
Published
- 11 months later
· 11 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.64% · top 49% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
webauthn4j · webauthn4j-spring-security
- affected < 0.9.1.RELEASE
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.webauthn4j:webauthn4j-spring-security-coreGHSA-v9hx-v6vf-g36j (opens in a new tab)
References (3)
- https://github.com/webauthn4j/webauthn4j-spring-security/security/advisories/GHSA-v9hx-v6vf-g36j (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/webauthn4j/webauthn4j-spring-security/commit/129700d74d83f9b9a82bf88ebc63707e3cb0a725 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.w3.org/TR/2021/REC-webauthn-2-20210408/#sctn-sign-counter (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-v9hx-v6vf-g36j (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-45669)Record last updated .