CVE-2023-33934

CRITICALNVD 9.19.1—

9.1

Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: through 9.2.1.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 64.2%
KEV: Not listed

Published

August 9, 2023

Last Modified

February 13, 2025

References (8)

security@apachehttps://lists.apache.org/thread/jsl6dfdgs1mjjo1mbtyflyjr7xftswhc
security@apachehttps://lists.debian.org/debian-lts-announce/2023/09/msg00042.html
security@apachehttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOTOM2MFKOLK46Q3BQHO662HTPZFRQUC/
security@apachehttps://www.debian.org/security/2023/dsa-5549
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread/jsl6dfdgs1mjjo1mbtyflyjr7xftswhc
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/09/msg00042.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOTOM2MFKOLK46Q3BQHO662HTPZFRQUC/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5549

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 14× 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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Frequently asked(5)

What is CVE-2023-33934?

CVE-2023-33934 is a critical vulnerability published on August 9, 2023. Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: through 9.2.1.

When was CVE-2023-33934 disclosed?

CVE-2023-33934 was first published in the National Vulnerability Database on August 9, 2023, with the most recent update on February 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-33934 actively exploited?

CVE-2023-33934 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-33934?

CVE-2023-33934 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2023-33934?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-33934, 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-2023-33934

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-33934?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)