CVE-2021-22984
First published: Fri Feb 12 2021(Updated: )
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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP Advanced WAF/ASM | >=11.6.1<11.6.5.2 | |
| F5 BIG-IP Advanced WAF/ASM | >=12.1.0<12.1.5.2 | |
| F5 BIG-IP Advanced WAF/ASM | >=13.1.0<13.1.3.4 | |
| F5 BIG-IP Advanced WAF/ASM | >=14.1.0<14.1.2.5 | |
| F5 BIG-IP Advanced WAF/ASM | >=15.0.0<15.0.1.4 | |
| F5 BIG-IP Advanced WAF/ASM | >=15.1.0<15.1.0.2 | |
| F5 Application Security Manager | >=11.6.1<11.6.5.2 | |
| F5 Application Security Manager | >=12.1.0<12.1.5.2 | |
| F5 Application Security Manager | >=13.1.0<13.1.3.4 | |
| F5 Application Security Manager | >=14.1.0<14.1.2.5 | |
| F5 Application Security Manager | >=15.0.0<15.0.1.4 | |
| F5 Application Security Manager | >=15.1.0<15.1.0.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-22984?
CVE-2021-22984 is rated as critical due to its potential to allow unauthorized access via crafted requests.
How do I fix CVE-2021-22984?
To fix CVE-2021-22984, upgrade your F5 BIG-IP Advanced WAF or ASM to a patched version as specified in the advisory.
Which versions are affected by CVE-2021-22984?
CVE-2021-22984 affects multiple versions including those prior to 15.1.0.2, 15.0.1.4, and several others listed in the CVE details.
What is the impact of CVE-2021-22984 on F5 BIG-IP systems?
The impact of CVE-2021-22984 includes the potential for attackers to bypass security measures through specially crafted requests.
Is there a workaround for CVE-2021-22984 before applying the fix?
No official workaround is provided for CVE-2021-22984; upgrading to a secure version is the recommended action.
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- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip advanced waf/asm
- version/f5 big-ip advanced waf/asm/11.6.1
- version/f5 big-ip advanced waf/asm/12.1.0
- version/f5 big-ip advanced waf/asm/13.1.0
- version/f5 big-ip advanced waf/asm/14.1.0
- version/f5 big-ip advanced waf/asm/15.0.0
- version/f5 big-ip advanced waf/asm/15.1.0
- canonical/f5 application security manager
- version/f5 application security manager/11.6.1
- version/f5 application security manager/12.1.0
- version/f5 application security manager/13.1.0
- version/f5 application security manager/14.1.0
- version/f5 application security manager/15.0.0
- version/f5 application security manager/15.1.0