CVE-2021-4038 NSM vulnerable to XSS
Remote authenticated administrators can inject malicious scripts into the McAfee NSM interface via unsanitized custom rules, potentially compromising the management console.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-4038?
CVE-2021-4038 is a medium-severity cross-site scripting vulnerability in McAfee,LLC McAfee Network Security Manager (NSM), published on 9 Dec 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Cross Site Scripting (XSS) vulnerability in McAfee Network Security Manager (NSM) prior to 10.1 Minor 7 allows a remote authenticated administrator to embed a XSS in the administrator interface via specially crafted custom rules containing HTML. NSM did not correctly sanitize custom rule content in all scenarios.
Weakness: CWE-79
Which versions are affected by CVE-2021-4038?
It affects 1 product.
Products include Mcafee Network Security Manager.
How do I fix CVE-2021-4038?
No fix has been published for CVE-2021-4038 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-4038 being exploited?
There is no known exploitation of CVE-2021-4038 in the wild and no public exploit code.
Other vulnerabilities in McAfee,LLC McAfee Network Security Manager (NSM)
- CVE-2017-3965 SB10192 - Network Security Management (NSM) - Cross-Site Request Forgery (CSRF) (aka Session Riding) vulnerability
- CVE-2017-3972 SB10192 - Network Security Management (NSM) - Infrastructure-based foot printing vulnerability
- CVE-2017-3969 SB10192 - Network Security Management (NSM) - Abuse of communication channels vulnerability
- CVE-2017-3971 SB10192 - Network Security Management (NSM) - Cryptanalysis vulnerability
- CVE-2019-3606 Data leakage when in an MDR pair by McAfee Network Security Manager 9.x
Sources
Also known as GHSA-jrmj-jm9w-qhxm.