Is CVE-2021-22934 in the CISA KEV catalog?

No. CVE-2021-22934 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22934?

CVE-2021-22934 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-22934?

CVE-2021-22934 has an EPSS score of 4.67% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22934?

Upgrade pulse connect secure to 9.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-22934

HIGHEPSS 91th pctl

7.2

CVSS v3

NVD

Description

A vulnerability in Pulse Connect Secure before 9.1R12 could allow an authenticated administrator or compromised Pulse Connect Secure device in a load-balanced configuration to perform a buffer overflow via a malicious crafted web request.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

pulse connect secureNVD

Affected:< 9.1Fixed in:9.1CVE-2021-22934derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.67%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Vendor Advisory1

kb.pulsesecure.net

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.