CVE-2023-20858Network attack vector

Server operating-system access via undisclosed console injection

Published Feb 21, 2023 · Updated Mar 17, 2025

Injection in VMware Carbon Black App Control allows remote authenticated users to access the underlying server operating system. VMware identifies crafted administration-console input as the trigger but has not disclosed the affected field, parser, or downstream operation. Exploitation requires privileged console access; the reported consequence is server operating-system access, while code-execution details remain unpublished.

CVSS severity9.1
Critical
EPSS probability16.87%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Injection in VMware Carbon Black App Control allows remote authenticated users to access the underlying server operating system. VMware identifies crafted administration-console input as the trigger but has not disclosed the affected field, parser, or downstream operation. Exploitation requires privileged console access; the reported consequence is server operating-system access, while code-execution details remain unpublished.

The record

CVE
CVE-2023-20858
Published
Feb 21, 2023
Updated
Mar 17, 2025
Vendor
VMware
Product
VMware Carbon Black App Control
Classifications
CWE-74
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 21, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

VMware · VMware Carbon Black App Controlversion=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

Published CVSS scores

7.2CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
9.1VMwareCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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