How severe is CVE-2023-2818?

CVE-2023-2818 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-2818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2818?

CVE-2023-2818 affects Proofpoint Insider Threat Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2818?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2818 published?

CVE-2023-2818 was published on 2023-06-27 and last updated on 2026-06-17.

CVE-2023-2818

CVE-2023-2818 is a medium-severity vulnerability in Proofpoint Insider Threat Management with a CVSS 3.x base score of 5.5. 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-281.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Proofpoint Insider Threat Management
Published: 2023-06-27
Last modified: 2026-06-17

Description

An insecure filesystem permission in the Insider Threat Management Agent for Windows enables local unprivileged users to disrupt agent monitoring. All versions prior to 7.14.3 are affected. Agents for MacOS and Linux and Cloud are unaffected.

Frequently asked questions

What is CVE-2023-2818?: An insecure filesystem permission in the Insider Threat Management Agent for Windows enables local unprivileged users to disrupt agent monitoring. All versions prior to 7.14.3 are affected. Agents for MacOS and Linux and Cloud are unaffected.
How severe is CVE-2023-2818?: CVE-2023-2818 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-2818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2818?: CVE-2023-2818 affects Proofpoint Insider Threat Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2818?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2818 published?: CVE-2023-2818 was published on 2023-06-27 and last updated on 2026-06-17.

References

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-005

Affected products (1)

cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:windows:*:*

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