How severe is CVE-2024-21498?

CVE-2024-21498 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-21498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21498?

CVE-2024-21498 affects Authcrunch Caddy-security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21498?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21498 have an EU (EUVD) identifier?

Yes. CVE-2024-21498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0586.

When was CVE-2024-21498 published?

CVE-2024-21498 was published on 2024-02-17 and last updated on 2026-06-17.

CVE-2024-21498

CVE-2024-21498 is a medium-severity vulnerability in Authcrunch Caddy-security with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0586
Weakness: CWE-918
Affected product: Authcrunch Caddy-security
Published: 2024-02-17
Last modified: 2026-06-17

Description

All versions of the package github.com/greenpau/caddy-security are vulnerable to Server-side Request Forgery (SSRF) via X-Forwarded-Host header manipulation. An attacker can expose sensitive information, interact with internal services, or exploit other vulnerabilities within the network by exploiting this vulnerability.

Frequently asked questions

What is CVE-2024-21498?: All versions of the package github.com/greenpau/caddy-security are vulnerable to Server-side Request Forgery (SSRF) via X-Forwarded-Host header manipulation. An attacker can expose sensitive information, interact with internal services, or exploit other vulnerabilities within the network by exploiting this vulnerability.
How severe is CVE-2024-21498?: CVE-2024-21498 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-21498 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21498?: CVE-2024-21498 affects Authcrunch Caddy-security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21498?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21498 have an EU (EUVD) identifier?: Yes. CVE-2024-21498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0586.
When was CVE-2024-21498 published?: CVE-2024-21498 was published on 2024-02-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:authcrunch:caddy-security:*:*:*:*:*:*:*:*

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