CVE-2023-29868

MEDIUMNVD 6.56.5—

6.5

Zammad 5.3.x (Fixed in 5.4.0) is vulnerable to Incorrect Access Control. An authenticated attacker with agent and customer roles could perform unauthorized changes on articles where they only have customer permissions.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 33.7%
KEV: Not listed

Published

May 2, 2023

Last Modified

January 30, 2025

References (2)

cve@mitrehttps://zammad.com/en/advisories/zaa-2023-01
af854a3a-2127-422b-91ae-364da2661108https://zammad.com/en/advisories/zaa-2023-01

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-346Origin Validation Error

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
2026-05-25 02:04 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-29868?

CVE-2023-29868 is a medium vulnerability published on May 2, 2023. Zammad 5.3.x (Fixed in 5.4.0) is vulnerable to Incorrect Access Control. An authenticated attacker with agent and customer roles could perform unauthorized changes on articles where they only have customer permissions.

When was CVE-2023-29868 disclosed?

CVE-2023-29868 was first published in the National Vulnerability Database on May 2, 2023, with the most recent update on January 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-29868 actively exploited?

CVE-2023-29868 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-29868?

CVE-2023-29868 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-29868?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29868, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-29868

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-29868?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)