TI-2023-08549 Aliases CVE-2023-22281 GHSA-r475-j35v-6jmm

BIG-IP AFM vulnerability

LOW 34CWE-908Published 2023-02-01 · Updated 2025-03-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.

Summary

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00626 50th percentileScored 2026-11-07

Fix Fixed BIG-IP (F5): 17.0.0.2, 16.1.3.3, 15.1.8 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
F5	BIG-IP	17.0.0 to before 17.0.0.2; 16.1.0 to before 16.1.3.3; 15.1.0 to before 15.1.8; 14.1.0 to before 14.1.5.3; 13.1.0 and later	17.0.0.2, 16.1.3.3, 15.1.8, 14.1.5.3	Patch available	CNA

BIG-IP VendorF5 Affected 17.0.0 to before 17.0.0.2; 16.1.0 to before 16.1.3.3; 15.1.0 to before 15.1.8; 14.1.0 to before 14.1.5.3; 13.1.0 and later Fixed in 17.0.0.2, 16.1.3.3, 15.1.8, 14.1.5.3 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	13.1.0 – 13.1.5; 14.1.0 to before 14.1.5.3; 15.1.0 to before 15.1.8; 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2	Vulnerable	F5

cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 13.1.0 – 13.1.5; 14.1.0 to before 14.1.5.3; 15.1.0 to before 15.1.8; 16.1.0 to before 16.1.3.3; 17.0.0 to before 17.0.0.2 Vulnerable ·F5

Remediation

Fix · CNA BIG-IP (F5) Fixed in 17.0.0.2, 16.1.3.3, 15.1.8, 14.1.5.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2023-02-01
F5 BIG-IP 14.1.5.3, 15.1.8 and 2 more versions
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-09383 BIG-IP Advanced WAF and ASM vulnerabilityPriority MEDIUM 42
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-22281
2026-10-03 Alias added: GHSA-r475-j35v-6jmm
2026-10-30 EPSS moved to the 50th–90th percentile

References

Advisory 1

https://my.f5.com/manage/s/article/K46048342

TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8

See all 551 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences