Denial of service in F5 BIG-IP

Published: 2022-08-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-35240
Exploitation vector Network
Public exploit N/A
Vulnerable software
Hardware solutions / Firmware

Vendor F5 Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Resource Shutdown or Release

EUVDB-ID: #VU66140

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-35240

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

Exploit availability: No


The vulnerability allows a remote attaker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper resource shutdown or release the Message Routing (MR) Message Queuing Telemetry Transport (MQTT) profile is configured on a virtual server. A remote attacker can cause a denial of service condition on the target system.


Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 14.1.0 - 16.1.2

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.