Is CVE-2021-22984 in the CISA KEV catalog?

No. CVE-2021-22984 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22984?

CVE-2021-22984 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-22984?

CVE-2021-22984 has an EPSS score of 0.63% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22984?

Upgrade big-ip advanced web application firewall to 15.1.0.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-22984

MEDIUM

6.1

CVSS v3

NVD

Description

On BIG-IP Advanced WAF and ASM version 15.1.x before 15.1.0.2, 15.0.x before 15.0.1.4, 14.1.x before 14.1.2.5, 13.1.x before 13.1.3.4, 12.1.x before 12.1.5.2, and 11.6.x before 11.6.5.2, when receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense (versions prior to 14.1.0), or a Bot Defense profile (versions 14.1.0 and later), may subject clients and web servers to Open Redirection attacks. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CWE-601Open Redirect

How to fix

Remediation Available

big-ip advanced web application firewallNVD

Affected:>= 15.1.0, < 15.1.0.2Fixed in:15.1.0.2CVE-2021-22984derived from NVD

big-ip application security managerNVD

Affected:>= 15.1.0, < 15.1.0.2Fixed in:15.1.0.2CVE-2021-22984derived 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

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.63%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Vendor Advisory1

support.f5.com

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	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.