CVE-2024-21497

low-risk
Published 2024-02-17

Versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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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)

Mitigation https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-cadd...
Issue Tracking https://github.com/greenpau/caddy-security/issues/268
Third Party Advisory https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861
Mitigation https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-cadd...
Issue Tracking https://github.com/greenpau/caddy-security/issues/268
Third Party Advisory https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal