CVE-2022-25898

Improper Verification of Cryptographic Signature

High · published July 1, 2022

CVSS v3.1
7.7
EPSS
1%
Percentile
66.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H/E:P
CVSS v4.0
Not supplied
EPSS
0.01153 · 66.7th percentile
Published
2022-07-01T20:02Z
EPSS history
Timeline
  • 01 JUL 20:02Z
    Improper Verification of Cryptographic Signature
    cvelistv5