CVE-2024-21494

low-risk
Published 2024-02-17

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Caddy-Security

Affected Vendors

Greenpau

References (6)

Third Party Advisory https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-cadd...
Issue Tracking https://github.com/greenpau/caddy-security/issues/266
Third Party Advisory https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249859
Third Party Advisory https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-cadd...
Issue Tracking https://github.com/greenpau/caddy-security/issues/266
Third Party Advisory https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249859
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal