Multiple vulnerabilities in IBM Edge Application Manager

Published: 2023-05-31

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-23436 CVE-2021-3757 CVE-2020-28477
CWE-ID	CWE-94
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	IBM Edge Application Manager Client/Desktop applications / Software for system administration
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Prototype pollution

EUVDB-ID: #VU57216

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23436

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request to the application and perform prototype pollution.

Note, the vulnerability exists due to incomplete fix for #VU57215.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Edge Application Manager: 4.3 - 4.4

CPE2.3

External links

http://www.ibm.com/support/pages/node/6999569

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.

2) Prototype pollution

EUVDB-ID: #VU57215