Is CVE-2021-22957 in the CISA KEV catalog?

No. CVE-2021-22957 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22957?

CVE-2021-22957 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-22957?

CVE-2021-22957 has an EPSS score of 0.88% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22957?

Upgrade unifi protect to 1.20.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-22957

HIGH

8.8

CVSS v3

NVD

Description

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.

CWE-16

How to fix

Remediation Available

unifi protectNVD

Affected:< 1.20.0Fixed in:1.20.0CVE-2021-22957derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.88%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Patch1

community.ui.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.