How severe is CVE-2023-35998?

CVE-2023-35998 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-35998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35998?

CVE-2023-35998 affects Proofpoint Insider Threat Management Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-35998?

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

When was CVE-2023-35998 published?

CVE-2023-35998 was published on 2023-06-27 and last updated on 2026-06-17.

CVE-2023-35998

CVE-2023-35998 is a medium-severity vulnerability in Proofpoint Insider Threat Management Server with a CVSS 3.x base score of 4.6. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Proofpoint Insider Threat Management Server
Published: 2023-06-27
Last modified: 2026-06-17

Description

A missing authorization check in multiple SOAP endpoints of the Insider Threat Management Server enables an attacker on an adjacent network to read and write unauthorized objects. Successful exploitation requires an attacker to first obtain a valid agent authentication token. All versions before 7.14.3 are affected.

Frequently asked questions

What is CVE-2023-35998?: A missing authorization check in multiple SOAP endpoints of the Insider Threat Management Server enables an attacker on an adjacent network to read and write unauthorized objects. Successful exploitation requires an attacker to first obtain a valid agent authentication token. All versions before 7.14.3 are affected.
How severe is CVE-2023-35998?: CVE-2023-35998 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-35998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35998?: CVE-2023-35998 affects Proofpoint Insider Threat Management Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-35998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-35998 published?: CVE-2023-35998 was published on 2023-06-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:proofpoint:insider_threat_management_server:*:*:*:*:*:*:*:*

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