What is CVE-2021-27900?

CVE-2021-27900 is a high-severity vulnerability in Proofpoint Insider Threat Management, classified under Missing Authorization. CVSS score: 8.1/10. Published 2021-04-06.

How severe is CVE-2021-27900?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Proofpoint Insider Threat Management

CVE-2021-27900

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is missing an authorization check on several pages in the Web Console. This enables a view-only user to change any configuration setting and delete any registered agents. All versions before 7.11.1 are affected.

Vulnerability class: Broken Access Control

EPSS: 0.025 (82.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Proofpoint Insider_threat_management
N/a — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-27900?: CVE-2021-27900 is a high-severity vulnerability in Proofpoint Insider Threat Management, classified under Missing Authorization. CVSS score: 8.1/10. Published 2021-04-06.
How severe is CVE-2021-27900?: High severity. CVSS v3 base score is 8.1 out of 10.