#VU66528 Improper Neutralization of Special Elements in Output Used by a Downstream Component in IBM Corporation products - CVE-2021-29873

Vulnerability identifier: #VU66528

Vulnerability risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-29873

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FlashSystem 900 9840-AE1 and 9843-AE1
Hardware solutions / Firmware
FlashSystem 900 9840-AE2 and 9843-AE2
Hardware solutions / Firmware
FlashSystem 900 9840-AE3 and 9843-AE3
Hardware solutions / Firmware

Vendor: IBM Corporation

Description

The vulnerability allows a remote user to gain access to potentially sensitive information and perform a denial of service attack.

The vulnerability exists due to restricted shell escape. A remote user can gain unauthorized access to sensitive information on the system and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE1 and 9843-AE1: before 1.5.2.10

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.5.2.10

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.5.2.10

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External links
https://www.ibm.com/support/pages/node/6497111
https://www.ibm.com/support/pages/node/6507091
https://exchange.xforce.ibmcloud.com/vulnerabilities/206229

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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.