What is CVE-2023-31419?

CVE-2023-31419 is a medium-severity vulnerability in Elastic Elasticsearch, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-26.

How severe is CVE-2023-31419?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-31419 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Elastic Elasticsearch

CVE-2023-31419

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

Vulnerability class: Buffer Overflow

EPSS: 0.392 (97.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Elastic Elasticsearch — versions 7.0.0, 8.0.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-31419?: CVE-2023-31419 is a medium-severity vulnerability in Elastic Elasticsearch, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-26.
How severe is CVE-2023-31419?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-31419 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.