High severity · published Feb 1, 2023
CVE-2023-22839
On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid…
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
B1
Big-ip 10000s Firmware · F5
All versions, or not specified · source: NVD
B1
Big-ip 10200v Firmware · F5
All versions, or not specified · source: NVD
B1
Big-ip 10200v-ssl Firmware · F5
All versions, or not specified · source: NVD
B1
Big-ip 12000 Firmware · F5
All versions, or not specified · source: NVD
B5
Big-ip 5000s Firmware · F5
All versions, or not specified · source: NVD
B5
Big-ip 5200v Firmware · F5
All versions, or not specified · source: NVD
B5
Big-ip 5200v-ssl Firmware · F5
All versions, or not specified · source: NVD
B7
Big-ip 7000s Firmware · F5
All versions, or not specified · source: NVD
B7
Big-ip 7200v Firmware · F5
All versions, or not specified · source: NVD
B7
Big-ip 7200v-ssl Firmware · F5
All versions, or not specified · source: NVD
BD
Big-ip Domain Name System · F5
13.1.0 through 13.1.5; 14.1.0 before 14.1.5.3; 15.1.0 before 15.1.7; 16.1.0 before 16.1.3.3; 17.0.0 before 17.0.0.2 · source: NVD
BI
Big-ip I10600 Firmware · F5
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22839
Vendor Advisory
https://my.f5.com/manage/s/article/K37708118
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