Security readout for executives and security teams
Plain-English summary
CVE-2021-36443 is a high-severity CSRF issue reported in imcat 5.4. A remote attacker may be able to cause a logged-in user to perform unintended privileged actions because token verification is missing. The practical risk depends on whether your organization runs imcat 5.4 and whether privileged users access it in browsers.
Executive priority
Treat this as high priority only where imcat 5.4 is deployed or suspected. The business concern is unauthorized privileged change through a logged-in user, but there is no supplied evidence of active exploitation.
Technical view
The record maps the flaw to CWE-352 and assigns CVSS 3.1 score 8.8, with network attack vector, low complexity, no attacker privileges, and required user interaction. The source description attributes privilege escalation to lack of token verification. Structured affected-product data is incomplete, but the title and description name imcat 5.4.
Likely exposure
Exposure is likely limited to organizations running imcat 5.4. The source bundle does not identify CPEs, downstream packages, hosted services, or broader version ranges, so asset confirmation is required before prioritizing remediation work.
Exploitation context
No CISA KEV listing is provided, and the supplied sources do not state active exploitation. The CVSS vector indicates exploitation requires user interaction, consistent with CSRF where an authenticated user is induced into a state-changing request.
Researcher notes
Evidence is sparse. The authoritative record names CSRF, missing token verification, imcat 5.4, CVSS 8.8, and CWE-352, but structured affected-product data is n/a. Do not infer additional versions, exploit availability, or patch status without checking project guidance.
Mitigation direction
- Identify whether imcat 5.4 is present in any environment.
- Check the imcat project issue and vendor guidance for fixed versions or patches.
- Restrict administrative access until remediation status is confirmed.
- Require privileged users to avoid untrusted browsing while authenticated.
- If maintaining custom code, add CSRF token validation to privileged state-changing actions.
Validation and detection
- Inventory internet-facing and internal applications for imcat 5.4.
- Confirm privileged state-changing actions require unpredictable CSRF tokens.
- Review recent privileged account changes for unauthorized activity.
- Check whether session cookies use protective attributes such as SameSite.
- Document remediation status and any compensating controls.
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-352: 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-36443 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/peacexie/imcat/issues/9CVE reference
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.