CVE & CISA-KEV Catalog

CVE-2021-23051

HIGH

7.5

CVSS v3

Description

On BIG-IP versions 15.1.0.4 through 15.1.3, when the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver is used with BIG-IP on Amazon Web Services (AWS) systems, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. This is due to an incomplete fix for CVE-2020-5862. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE-20Improper Input Validation

How to fix

Remediation Available

big-ip access policy managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip advanced firewall managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip advanced web application firewallNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip analyticsNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip application acceleration managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip application security managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip domain name systemNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip fraud protection serviceNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip global traffic managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip link controllerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived from NVD

big-ip local traffic managerNVD

Affected:>= 15.1.0.4, < 15.1.3.1Fixed in:15.1.3.1CVE-2021-23051derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.93%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory1

support.f5.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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.