← Vulnerability feed

Vulnerability record · CVE-2021-31164 · published 4 May 2021

CVE-2021-31164: Apache unomi injection vulnerability

Apache · Unomi

Apache Unomi prior to version 1.5.5 allows CRLF log injection because of the lack of escaping in the log statements.

7.5 CVSS 3.1 High EPSS 2.3% · top 17.5% CWE-93 · CWE-93CWE-74 · Injection
7.5CVSS 3.1 base score, v2 5.0
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Apache Unomi prior to version 1.5.5 allows CRLF log injection because of the lack of escaping in the log statements.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2021-31164 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2021-31164), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.