CVE-2021-36183: fortinet forticlient
CVSS: 7.8v3.1HighModified
Published 02-11-2021Last modified 25-10-2024
Vulnerability summary
CVE-2021-36183 is a high (CVSS 7.8) vulnerability in fortinet forticlient. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-11-2021PublishedVulnerability first disclosed.
- 25-10-2024Last modifiedVulnerability information updated.
Description
An improper authorization vulnerability [CWE-285] in FortiClient for Windows versions 7.0.1 and below and 6.4.2 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for Forticlient updates.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.4–7.8
- CVE.orgCNA7.4HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:XDiffers
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 19-09-2026
19-09-202619-10-2026
EPSS score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Fortinet2 products
- forticlient≥ 6.4.0, ≤ 6.4.2 | ≥ 7.0.0, ≤ 7.0.1
- fortinet forticlientwindowsFortiClientWindows 7.0.1, 7.0.0, 6.4.2, 6.4.1, 6.4.0
1 vendor · 2 products