Auth bypass in Proofpoint Insider Threat Management
CVE-2021-22159
Insider Threat Management Windows Agent Local Privilege Escalation Vulnerability The Proofpoint Insider Threat Management (formerly ObserveIT) Agent for Windows before 7.4.3, 7.5.4, 7.6.5, 7.7.5, 7.8.4, 7.9.3, 7.10.2, and 7.11.0.25 as well as versions 7.3 and earlier is missing authentication for a critical function, which allows a local authenticated Windows user to run arbitrary commands with the privileges of the Windows SYSTEM user. Agents for MacOS, Linux, and ITM Cloud are not affected.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.proofpoint.com/us/security/security-advisories (Vendor Advisory)
- www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0001 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22159?
- CVE-2021-22159 is a high-severity vulnerability in Proofpoint Insider Threat Management, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2021-01-26.
- How severe is CVE-2021-22159?
- High severity. CVSS v3 base score is 7.8 out of 10.