Improper authorization in BIG-IP Advanced WAF and ASM REST API
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-23014 |
| CWE-ID | CWE-285 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
BIG-IP Advanced WAF Client/Desktop applications / Antivirus software/Personal firewalls BIG-IP ASM Hardware solutions / Security hardware applicances |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper Authorization
EUVDB-ID: #VU52747
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23014
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform unauthorized actions.
The vulnerability exists due to improper authorization within the within the REST API. A remote user with guest privileges can upload and overwrite a limited set of files on BIG-IP Advanced WAF and ASM systems.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBIG-IP Advanced WAF: 14.1.0 - 16.0.1
BIG-IP ASM: 14.1.0 - 16.0.1
External linkshttp://support.f5.com/csp/article/K23203045
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
