#VU27874 Use-after-free in BIG-IP APM and APM Clients - CVE-2020-5897

Vulnerability identifier: #VU27874

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-5897

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP APM
Hardware solutions / Security hardware applicances
APM Clients
Hardware solutions / Security hardware applicances

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the BIG-IP Edge Client Windows ActiveX component. A remote attacker can craft a malicious webpage, load it into the Internet Explorer browser by BIG-IP Edge Client users and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP APM: 11.6.0 - 15.1.0

APM Clients: 7.1.5 - 7.1.9

---

External links
https://support.f5.com/csp/article/K20346072

---

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.