CVE-2018-6703: mcafee, llc mcafee agent Use After Free
CVSS: 9.8v3.0CriticalModified
Published 11-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-6703 is a critical (CVSS 9.8) Use After Free vulnerability in mcafee, llc mcafee agent. EPSS estimates a 3.23% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (CVE.org)EPSS score
3.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Use After Free in Remote logging (which is disabled by default) in McAfee McAfee Agent (MA) 5.x prior to 5.6.0 allows remote unauthenticated attackers to cause a Denial of Service and potentially a remote code execution via a specially crafted HTTP header sent to the logging service.
CVSS metrics
4 scores · 2 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Critical 9.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.23%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.23% on 18-09-2026
18-09-202618-10-2026
EPSS score3.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mcafee1 product
- agent≥ 5.0.0, < 5.6.0
Mcafee, llc1 product
- mcafee agent≥ 5.x, < 5.6.0
2 vendors · 2 products
References
1 links- kc.mcafee.com/corporate/index?page=content&id=SB10258X Refsource CONFIRM