XSS in Greenpau Caddy-Security
CVE-2024-21494
All versions of the package github.com/greenpau/caddy-security are vulnerable to Authentication Bypass by Spoofing via the X-Forwarded-For header due to improper input sanitization. An attacker can spoof an IP address used in the user identity module (/whoami API endpoint). This could lead to unauthorized access if the system trusts this spoofed IP address.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Greenpau Caddy-Security
- Github.com/greenpau/caddy-Security — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249859 (Third Party Advisory)
- github.com/greenpau/caddy-security/issues/266 (Issue Tracking)
- blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-21494?
- CVE-2024-21494 is a medium-severity vulnerability in Greenpau Caddy-Security, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2024-02-17.
- How severe is CVE-2024-21494?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2024-21494 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.