How severe is CVE-2024-33667?

CVE-2024-33667 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-33667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33667?

CVE-2024-33667 primarily affects Zammad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-33667?

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

Does CVE-2024-33667 have an EU (EUVD) identifier?

Yes. CVE-2024-33667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31380.

When was CVE-2024-33667 published?

CVE-2024-33667 was published on 2024-04-26 and last updated on 2026-06-17.

CVE-2024-33667

CVE-2024-33667 is a medium-severity vulnerability in Zammad with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31380
Weakness: CWE-862
Affected product: Zammad
Published: 2024-04-26
Last modified: 2026-06-17

Description

An issue was discovered in Zammad before 6.3.0. An authenticated agent could perform a remote Denial of Service attack by calling an endpoint that accepts a generic method name, which was not properly sanitized against an allowlist.

Frequently asked questions

What is CVE-2024-33667?: An issue was discovered in Zammad before 6.3.0. An authenticated agent could perform a remote Denial of Service attack by calling an endpoint that accepts a generic method name, which was not properly sanitized against an allowlist.
How severe is CVE-2024-33667?: CVE-2024-33667 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-33667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33667?: CVE-2024-33667 primarily affects Zammad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-33667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-33667 have an EU (EUVD) identifier?: Yes. CVE-2024-33667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31380.
When was CVE-2024-33667 published?: CVE-2024-33667 was published on 2024-04-26 and last updated on 2026-06-17.

References

https://zammad.com/en/advisories/zaa-2024-03

Affected products (2)

cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
cpe:2.3:a:zammad:zammad:6.3.0:alpha:*:*:*:*:*:*

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