F5 BIG-IP and BIG-IQ Centralized Management update for OpenJDK/Java

Published: 2023-07-27

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-2756 CVE-2020-2757
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	BIG-IQ Centralized Management Server applications / Remote management servers, RDP, SSH BIG-IP Hardware solutions / Firmware
Vendor	F5 Networks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU27230

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2756

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Serialization component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IQ Centralized Management: 8.0.0 - 8.3.0

BIG-IP: 13.1.0 - 17.1.0

External links

http://my.f5.com/manage/s/article/K000135555

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Improper input validation

EUVDB-ID: #VU27231