Is CVE-2020-27123 in the CISA KEV catalog?

No. CVE-2020-27123 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27123?

CVE-2020-27123 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-27123?

CVE-2020-27123 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27123?

Upgrade anyconnect secure mobility client to 4.9.03047 or later.

CVE & CISA-KEV Catalog

CVE-2020-27123

MEDIUM

5.5

CVSS v3

NVD

Description

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to read arbitrary files on the underlying operating system of an affected device. The vulnerability is due to an exposed IPC function. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process on an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system of the affected device.

CWE-749

How to fix

Remediation Available

anyconnect secure mobility clientNVD

Affected:< 4.9.03047Fixed in:4.9.03047CVE-2020-27123derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-749 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-34996	High	8.8	82%	-	-
CVE-2010-0738	Medium	5.3	79%	KEV + Ransom	-
CVE-2018-10931	Critical	9.8	68%	-	Fix
CVE-2010-1428	High	7.5	62%	KEV + Ransom	-
CVE-2023-38124	High	8.8	56%	-	Fix
CVE-2006-1547	High	7.5	55%	KEV	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 2024-11-21.