Is CVE-2021-22899 in the CISA KEV catalog?

Yes. CVE-2021-22899 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03.

What is the CVSS severity of CVE-2021-22899?

CVE-2021-22899 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-22899?

CVE-2021-22899 has an EPSS score of 22.34% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-22899

HIGHCISA KEVEPSS 97th pctl

8.8

CVSS v3

NVD

Description

A command injection vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to perform remote code execution via Windows Resource Profiles Feature

CWE-77Command Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

22.34%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Ivanti Pulse Connect Secure Command Injection Vulnerability

Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

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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 2025-12-18.