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CVE-2024-33668

Zammad broken access control

9.1 CRITICALEPSS 0.45%
  1. Published25 Apr 2024

Description

An issue was discovered in Zammad before 6.3.0. The Zammad Upload Cache uses insecure, partially guessable FormIDs to identify content. An attacker could try to brute force them to upload malicious content to article drafts they have no access to.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Zammad≥ 6.2.0 < 6.3.0 · 6.3.0

Remediation

Fixed in
Zammad≥ 6.3.0

References

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Frequently asked

Is CVE-2024-33668 being actively exploited?

CVE-2024-33668 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.45%.

How severe is CVE-2024-33668?

CVE-2024-33668 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2024-33668?

Affected products include Zammad.

How do I fix CVE-2024-33668?

Upgrade affected software to a fixed version, for example Zammad 6.3.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-33668 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.