Is CVE-2023-20858 in the CISA KEV catalog?

No. CVE-2023-20858 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-20858?

CVE-2023-20858 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2023-20858?

CVE-2023-20858 has an EPSS score of 16.87% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-20858

HIGHEPSS 97th pctl

7.2

CVSS v3

NVD

Description

VMware Carbon Black App Control 8.7.x prior to 8.7.8, 8.8.x prior to 8.8.6, and 8.9.x.prior to 8.9.4 contain an injection vulnerability. A malicious actor with privileged access to the App Control administration console may be able to use specially crafted input allowing access to the underlying server operating system.

CWE-74

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

16.87%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

https://www.vmware.com/security/advisories/VMSA-2023-0004.html

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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 2025-03-17.