Security readout for executives and security teams
Apache Unomi versions before 1.5.5 can write attacker-influenced carriage-return/line-feed content into logs without escaping it. The main business risk is corrupted or misleading audit records, which can slow incident response and weaken evidence quality. The provided sources do not show remote code execution or confirmed exploitation. Exposure is limited to Apache Unomi installations running versions earlier than 1.5.5. Systems are more relevant where untrusted input can reach logged values. The source bundle does not identify specific modules, endpoints, deployment modes, or downstream products. Treat this as a targeted log-integrity issue, not an emergency remote-compromise signal based on current evidence. Remediate during the next security maintenance window, faster if Apache Unomi is externally reachable or logs support compliance, billing, fraud, or incident investigations. Mitigation focus: Upgrade Apache Unomi deployments to version 1.5.5 or later.; Review the Apache advisory before applying production changes.; Prioritize systems with externally reachable Unomi services..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-93: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-31164 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Improper Neutralization of CRLF Sequences ('CRLF Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.