Strix
26.1K

CVE-2025-37731

HIGHCVSS 7.4/10EPSS 0.16%

Last modified

CVE-2025-37731 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.16%

5.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ElasticElasticsearch>= 7.0.0, <= 7.17.29
ElasticElasticsearch>= 8.0.0, < 8.19.8
ElasticElasticsearch>= 9.0.0, < 9.1.8
ElasticElasticsearch>= 9.2.0, < 9.2.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-37731?
Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.
How severe is CVE-2025-37731?
CVE-2025-37731 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2025-37731?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-37731?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST