CVE-2021-31852
Published: 23 November 2021
Summary
CVE-2021-31852 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Mcafee Policy Auditor. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 23.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18727
Vulnerability details
A Reflected Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to 6.5.2 allows a remote unauthenticated attacker to inject arbitrary web script or HTML via the UID request parameter. The malicious script is reflected unmodified into the Policy Auditor web-based…
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interface which could lead to the extract of end user session token or login credentials. These may be used to access additional security-critical applications or conduct arbitrary cross-domain requests.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.