How severe is CVE-2023-20858?

CVE-2023-20858 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20858?

CVE-2023-20858 affects Vmware Carbon Black App Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-20858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-20858 published?

CVE-2023-20858 was published on 2023-02-22 and last updated on 2026-06-17.

CVE-2023-20858

CVE-2023-20858 is a high-severity vulnerability in Vmware Carbon Black App Control with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Vmware Carbon Black App Control
Published: 2023-02-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-20858?: 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.
How severe is CVE-2023-20858?: CVE-2023-20858 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20858?: CVE-2023-20858 affects Vmware Carbon Black App Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-20858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-20858 published?: CVE-2023-20858 was published on 2023-02-22 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:vmware:carbon_black_app_control:*:*:*:*:*:*:*:*

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