Security readout for executives and security teams
Plain-English summary
CVE-2021-41162 is a critical XSS flaw in Combodo iTop 3.0.0 beta releases before beta6. A vulnerable ITSM portal could let an attacker run script in a user’s browser after interaction, risking data exposure and unauthorized actions. The source bundle says users should upgrade and that no workaround is known.
Executive priority
Prioritize remediation if any affected beta iTop instance is deployed, especially if externally reachable. The vulnerability has critical confidentiality and integrity impact, but evidence in the supplied sources does not show active exploitation.
Technical view
The vulnerable ajax.render.php wizard_helper operation failed to properly escape user-supplied parameters, creating a CWE-79 cross-site scripting issue. CVSS 3.1 is 9.3 with network attack vector, low complexity, no privileges, required user interaction, changed scope, high confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure appears limited to Combodo iTop 3.0.0 beta deployments earlier than beta6. Production risk depends on whether those beta versions were deployed and reachable by users or attackers. The sources do not identify other affected iTop versions or products.
Exploitation context
The bundle does not cite CISA KEV listing or active exploitation. The CVSS vector indicates exploitation is network reachable, low complexity, and unauthenticated, but requires user interaction. Treat internet-facing or broadly accessible beta iTop portals as higher priority.
Researcher notes
The public evidence names one vulnerable endpoint and a missing escaping condition, with the fix referenced by Combodo’s advisory and commit. The bundle does not provide proof-of-concept details, exploitation telemetry, or evidence that stable non-beta iTop releases are affected.
Mitigation direction
- Inventory all Combodo iTop deployments and identify any 3.0.0 beta versions before beta6.
- Upgrade affected deployments to 3.0.0-beta6 or a vendor-supported fixed release.
- Do not rely on a workaround; the advisory says none are known.
- Check Combodo guidance before applying any compensating controls beyond upgrade.
Validation and detection
- Confirm deployed iTop versions are not within >=3.0.0-beta and <3.0.0-beta6.
- Verify the vulnerable wizard_helper rendering path is no longer served by an affected build.
- Review change records for any beta iTop deployments exposed to users or the internet.
- Check security monitoring for suspicious browser-side script behavior around iTop sessions.
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-2021-41162 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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:H/I:H/A:N2.85.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.3CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Combodo/iTop/security/advisories/GHSA-w5jw-hfvp-gx95CVE reference · x_refsource_CONFIRM
- https://github.com/Combodo/iTop/commit/83125d9ae16cfb2527b9d0ab0805a68b863244a0CVE reference · x_refsource_MISC
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.