CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2022-25898
Critical (9.8) in kjur jsrsasign. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in jsrsasign 10.5.25.
The package jsrsasign before 10.5.25 are vulnerable to Improper Verification of Cryptographic Signature when JWS or JWT signature with non Base64URL encoding special characters or number escaped characters may be validated as valid by mistake. Workaround: Validate JWS or JWT signature if it has Base64URL and dot safe string before executing JWS.verify() or JWS.verifyJWT() method.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
- CWE
- CWE-347
- Published
- Modified
- Record from
- the NVD, synced
Affected
- kjur:jsrsasign
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3fvg-4v2m-98jf | npm | jsrsasign | >=4.8.0 <10.5.25 | 10.5.25 |
References
- https://github.com/kjur/jsrsasign/commit/4536a6e9e8bcf1a644ab7c07ed96e453347dae41
- https://github.com/kjur/jsrsasign/releases/tag/10.5.25
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2935898
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBKJUR-2935897
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2935896