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Microsoft MSMQ - Remote Code Execution (CVE-2023-21554)

Severity
CVSSv3 Score
9.8
Vulnerability description

Microsoft Message Queuing service is vulnerable to CVE-2023-21554, a Remote Code Execution vulnerability. The CVE-2023-21554 vulnerability allows an attacker to potentially execute code remotely and without authorization by reaching the TCP port 1801. In other words, an attacker could gain control of the process through just one packet to the 1801/tcp port with the exploit, triggering the vulnerability.

Risk description

The risk exists that a remote unauthenticated attacker can fully compromise the server in order to steal confidential information, install ransomware, or pivot to the internal network.

Exploit capabilities

Sniper can gain unauthenticated Remote Code Execution on the target system and extract multiple artefacts as evidence.

Recommendation

Upgrade the MSMQ to the latest version.

Codename
QueueJumper
Detectable with
Network Scanner
Exploitable with Sniper
Yes
Vuln date
Apr 2023
Published at
Updated at
Software Type
Messaging protocol
Vendor
Microsoft
Product
Microsoft