SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-10657

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM web console's ImportAlertRules feature.

HIGH 7.2EPSS 2.65%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM web console's ImportAlertRules feature. The vulnerability allows a remote attacker (with admin or config-admin privileges in the console) to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
2.65% probability · 86th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-502
Affected
proofpoint/insider threat management server
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.65%26 October 202626 October 2026

EPSS 2.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.