How severe is CVE-2023-4801?

CVE-2023-4801 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4801?

CVE-2023-4801 affects Proofpoint Insider Threat Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4801?

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-2023-4801 published?

CVE-2023-4801 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-4801

CVE-2023-4801 is a high-severity vulnerability in Proofpoint Insider Threat Management with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Proofpoint Insider Threat Management
Published: 2023-09-13
Last modified: 2026-06-17

Description

An improper certification validation vulnerability in the Insider Threat Management (ITM) Agent for MacOS could be used by an anonymous actor on an adjacent network to establish a man-in-the-middle position between the agent and the ITM server after the agent has registered. All versions prior to 7.14.3.69 are affected. Agents for Windows, Linux, and Cloud are unaffected.

Frequently asked questions

What is CVE-2023-4801?: An improper certification validation vulnerability in the Insider Threat Management (ITM) Agent for MacOS could be used by an anonymous actor on an adjacent network to establish a man-in-the-middle position between the agent and the ITM server after the agent has registered. All versions prior to 7.14.3.69 are affected. Agents for Windows, Linux, and Cloud are unaffected.
How severe is CVE-2023-4801?: CVE-2023-4801 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4801?: CVE-2023-4801 affects Proofpoint Insider Threat Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4801?: 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-2023-4801 published?: CVE-2023-4801 was published on 2023-09-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:*

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