CVE-2024-23449
Elasticsearch Uncaught Exception
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Elasticsearch Uncaught Exception
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.
- Record
CVE-2024-23449- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-248
- Updated
- 2026-11-02
EUVDEUVD-2024-0982
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.
- Record
EUVD-2024-0982- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pw39-f3m5-cxfc
Elasticsearch Uncaught Exception leading to crash
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.
- Record
GHSA-pw39-f3m5-cxfc- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-248
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-23449- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-248
- Updated
- 2026-11-02
OSV
Elasticsearch Uncaught Exception
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.
- Record
CVE-2024-23449- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-248
- Updated
- 2026-11-02
OSVGHSA-pw39-f3m5-cxfc
Elasticsearch Uncaught Exception leading to crash
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.
- Record
GHSA-pw39-f3m5-cxfc- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-248
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2024-23449
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.
- Record
UBUNTU-CVE-2024-23449- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVBIT-elasticsearch-2024-23449 No score
Elasticsearch Uncaught Exception
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.
- Record
BIT-elasticsearch-2024-23449- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.elasticsearch:elasticsearchMaven |
8.4.0 up to 8.11.1 | 8.11.1 |
elasticsearchBitnami |
8.4.0 up to 8.11.1 | 8.11.1 |
org.elasticsearch:elasticsearchMaven |
8.4.0 up to 8.11.1, plus listed versions 8.10.08.10.18.10.28.10.38.10.4 Show 19 moreShow less8.11.08.4.18.4.28.4.38.5.08.5.18.5.28.5.38.6.08.6.18.6.28.7.08.7.18.8.08.8.18.8.28.9.08.9.18.9.2 |
8.11.1 |
elasticsearchUbuntu:16.04:LTS |
All versions, plus listed versions 1.6.2+dfsg-11.7.3+dfsg-11.7.3+dfsg-21.7.3+dfsg-3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-23449 is a medium vulnerability (CVSS 4.3) in Elastic Elasticsearch, published March 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. Fixed in org.elasticsearch:elasticsearch 8.11.1.
References
discuss.elastic.co/t/elasticsearch-8-11-1-security-update-esa-2024-05/356458
nvd.nist.gov/vuln/detail/CVE-2024-23449
github.com/elastic/elasticsearch/commit/a59180459a3cb30b71399d778943cab4ac2191c4
ubuntu.com/security/CVE-2024-23449
cve.org/CVERecord?id=CVE-2024-23449