CVE-2021-22157

mediumpriority · track · 25EPSS 0.020 · 81 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.02% (81st) EPSS

CVSS 4.3 · medium

Is it mine?

4 products

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.11.1 allows stored XSS.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
proofpoint insider threat management7.10.0 → 7.10.3nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.11.0 → 7.11.1nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.9.0 → 7.9.3nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2021-04-06modified 2026-06-17

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External citations — patches, advisories, analysis.

scry

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