Security readout for executives and security teams
Plain-English summary
CVE-2021-41943 is a medium-severity input handling issue reported in LogRhythm Web Console 7.4.9. A name field for Contextualize Actions can accept injected HTML tags, which could affect users who view the crafted content. Business impact is limited but relevant for SIEM console integrity and analyst trust.
Executive priority
Treat as a moderate operational risk. It is not listed as known exploited in the provided sources, but it affects a security monitoring console and could undermine analyst confidence if unremediated.
Technical view
The record maps the issue to CWE-79 with CVSS 3.1 score 6.1. The vector indicates network reachability, low attack complexity, no required privileges, required user interaction, changed scope, low confidentiality and integrity impact, and no availability impact. The bundle does not provide CPEs, fixed versions, or vendor remediation details.
Likely exposure
Exposure appears limited to organizations running LogRhythm Web Console 7.4.9, especially where untrusted users can create or influence Contextualize Action names. The source bundle does not identify broader affected versions or CPEs.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation would require a user to interact with or view affected Web Console content, based on the CVSS UI:R signal.
Researcher notes
Evidence is sparse: the CVE description, CVSS vector, CWE-79 classification, and one researcher write-up are provided. No official CPEs, affected-version range, patch version, or exploit-in-the-wild source is included, so avoid broad product claims.
Mitigation direction
- Check LogRhythm vendor guidance for fixed versions or official mitigation.
- Restrict Web Console access to trusted users and administrative networks.
- Limit who can create or edit Contextualize Actions.
- Review existing Contextualize Action names for unexpected HTML-like content.
- Prioritize upgrade or remediation if version 7.4.9 is present.
Validation and detection
- Identify whether LogRhythm Web Console 7.4.9 is deployed.
- Confirm who can access the Web Console and create Contextualize Actions.
- Review Contextualize Action name fields for unexpected HTML tags.
- Check vendor release notes or support channels for remediation status.
- Document compensating controls if no vendor fix is confirmed.
Public sources used
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2021-41943 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
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 Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.