Is CVE-2020-15934 in the CISA KEV catalog?

No. CVE-2020-15934 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-15934?

CVE-2020-15934 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-15934?

CVE-2020-15934 has an EPSS score of 0.23% (13th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-15934?

Upgrade FortiClient VPN to 6.2.8 or later.

CVE & CISA-KEV Catalog

CVE-2020-15934

HIGH

8.8

CVSS v3

NVD

Description

An execution with unnecessary privileges vulnerability in the VCM engine of FortiClient for Linux versions 6.2.7 and below, version 6.4.0. may allow local users to elevate their privileges to root by creating a malicious script or program on the target machine.

CWE-269Improper Privilege Management

How to fix

Remediation Available

FortiClient VPNWindows application

Affected:6.0.0 6.2.8Fixed in:6.2.8

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.23%probability of exploitation in 30 days

13thpercentile

Low risk: more likely to be exploited than 13% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-21.