Is CVE-2020-8254 in the CISA KEV catalog?

No. CVE-2020-8254 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8254?

CVE-2020-8254 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-8254?

CVE-2020-8254 has an EPSS score of 2.03% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8254?

Upgrade pulse secure desktop client to 9.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-8254

HIGHEPSS 79th pctl

8.8

CVSS v3

NVD

Description

A vulnerability in the Pulse Secure Desktop Client < 9.1R9 has Remote Code Execution (RCE) if users can be convinced to connect to a malicious server. This vulnerability only affects Windows PDC.To improve the security of connections between Pulse clients and Pulse Connect Secure, see below recommendation(s):Disable Dynamic certificate trust for PDC.

CWE-23 CWE-22Path Traversal

How to fix

Remediation Available

pulse secure desktop clientNVD

Affected:< 9.1Fixed in:9.1CVE-2020-8254derived from NVD

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.03%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

kb.pulsesecure.net

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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 2024-11-21.