XXE in Mcafee Endpoint Security
CVE-2021-31842
XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (12.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Mcafee Endpoint Security — versions 10.7.0
- Mcafee,llc Mcafee Endpoint Security (Ens) For Windows — versions unspecified
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-31842?
- CVE-2021-31842 is a medium-severity vulnerability in Mcafee Endpoint Security, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 5.0/10. Published 2021-09-17.
- How severe is CVE-2021-31842?
- Medium severity. CVSS v3 base score is 5.0 out of 10.