Search/CVE-2021-22957
● CVE — High

CVE-2021-22957

A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.

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CVSS v3.1
8.8 HIGH
EPSS
0.91%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
EPSS Trend
Aug 16, 2026 → Sep 19, 2026
▲ 0.03pp
0.88% → 0.91% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Nov 24, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024