Vulnerability in Svix Svix-webhooks
CVE-2024-21491
Versions of the package svix before 1.17.0 are vulnerable to Authentication Bypass due to an issue in the verify function where signatures of different lengths are incorrectly compared. An attacker can bypass signature verification by prov…
EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N.
Affected products
- Svix Svix-webhooks
- N/a Svix — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Third Party Advisory)
- report@snyk.io (Patch)
- report@snyk.io (Patch)
- report@snyk.io (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-21491?
- CVE-2024-21491 is a medium-severity vulnerability in Svix Svix-webhooks, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.9/10. Published 2024-02-13.
- How severe is CVE-2024-21491?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-21491 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.