CVE-2020-7257 Privilege Escalation vulnerability through Symbolic links in ENS
Local attackers can escalate privileges and modify files by exploiting a race condition involving symbolic links during antivirus scans in McAfee Endpoint Security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-7257?
CVE-2020-7257 is a high-severity vulnerability in McAfee Endpoint Security (ENS), published on 15 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.
Which versions are affected by CVE-2020-7257?
It affects 1 product.
Products include Mcafee Endpoint Security.
How do I fix CVE-2020-7257?
No fix has been published for CVE-2020-7257 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7257 being exploited?
There is no known exploitation of CVE-2020-7257 in the wild and no public exploit code.
Other vulnerabilities in McAfee Endpoint Security (ENS)
- CVE-2020-7319 Improper Access Control Vulnerability in ENS for Windows
- CVE-2020-7264 Privilege Escalation vulnerability through symbolic links in ENS for Windows
- CVE-2020-7265 Privilege Escalation vulnerability through symbolic links in ENSM
- CVE-2019-3582 McAfee Endpoint Security updates fix a privilege escalation vulnerability
- CVE-2021-23882 Improper Access Control in the ENS installer
Sources
Also known as GHSA-5jf3-c8qv-652g.