An uncaught exception in Elasticsearch >= 8.4.0 and < 8.11.1 occurs when an encrypted PDF is passed to an attachment processor through the REST API. The Elasticsearch ingest node that attempts to parse the PDF file will crash. This does not happen with password-protected PDF files or with unencrypted PDF files.
CVE-2024-23449
This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 48.1%
- KEV
- Not listed
Published
March 29, 2024
Last Modified
February 4, 2025
References (2)
- security@elastichttps://discuss.elastic.co/t/elasticsearch-8-11-1-security-update-esa-2024-05/356458
- af854a3a-2127-422b-91ae-364da2661108https://discuss.elastic.co/t/elasticsearch-8-11-1-security-update-esa-2024-05/356458
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.elasticsearch:elasticsearch | 8.10.0 ... 8.9.2 (25 versions) | 8.11.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-06-26 16:37 UTCOSV refresh
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- 2026-06-08 23:30 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 05:37 UTCEG score recompute
Frequently asked(5)
What is CVE-2024-23449?
When was CVE-2024-23449 disclosed?
Is CVE-2024-23449 actively exploited?
What is the CVSS score of CVE-2024-23449?
How do I remediate CVE-2024-23449?
Dependency Blast Radius
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