How severe is CVE-2023-36002?

CVE-2023-36002 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-36002 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36002?

CVE-2023-36002 affects Proofpoint Insider Threat Management Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36002?

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

When was CVE-2023-36002 published?

CVE-2023-36002 was published on 2023-06-27 and last updated on 2026-06-17.

CVE-2023-36002

CVE-2023-36002 is a medium-severity vulnerability in Proofpoint Insider Threat Management Server with a CVSS 3.x base score of 4.3. 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 4.3)
EPSS exploit prediction: 0% (17th 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 URL validation endpoints of the Insider Threat Management Server enables an anonymous attacker on an adjacent network to smuggle content via DNS lookups. All versions before 7.14.3 are affected.

Frequently asked questions

What is CVE-2023-36002?: A missing authorization check in multiple URL validation endpoints of the Insider Threat Management Server enables an anonymous attacker on an adjacent network to smuggle content via DNS lookups. All versions before 7.14.3 are affected.
How severe is CVE-2023-36002?: CVE-2023-36002 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-36002 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36002?: CVE-2023-36002 affects Proofpoint Insider Threat Management Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36002?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-36002 published?: CVE-2023-36002 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:*:*:*:*:*:*:*:*

More vulnerabilities in Proofpoint Insider Threat Management Server

CVE-2021-40842 — Critical (CVSS 9.8): Proofpoint Insider Threat Management Server contains a SQL injection vulnerability in the Web Console. The…
CVE-2020-10658 — Critical (CVSS 9.8): The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in…
CVE-2020-10656 — Critical (CVSS 9.8): The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in…
CVE-2020-10655 — Critical (CVSS 9.8): The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in…
CVE-2021-40843 — High (CVSS 7.3): Proofpoint Insider Threat Management Server contains an unsafe deserialization vulnerability in the Web Console. An…
CVE-2020-10657 — High (CVSS 7.2): The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in…

All CVEs affecting Proofpoint Insider Threat Management Server →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →