VulnerabilityDeferred

CVE-2025-6547

Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2.

CRITICAL 9.1EPSS 0.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2.

CVSS 4.0: 9.1 CRITICALCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.41% probability · 34th percentile
CISA KEV: Not listed
Weakness: CWE-20
Source: 7ffcee3d-2c14-4c3e-b844-86c6a321a158

References

https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb
https://github.com/browserify/pbkdf2/security/advisories/GHSA-v62p-rq8g-8h59

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.