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Cisco Small Business RV Series - Remote Code Execution CVE-2021-1472

Severity
CVSSv3 Score
9.8
Vulnerability description

The Cisco server is vulnerable to CVE-2021-1472, a Remote Code Execution vulnerability, affecting the /upload endpoint. The root cause of this vulnerability exists because the device does not adequately verify the credentials in the HTTP Authorization field when requests are made to the /upload endpoint. An attacker simply has to pass any generic Authorization header as part of the request to bypass the authorization check.

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 Cisco to the latest version.

Codename
Not available
Detectable with
Network Scanner
Scan engine
Sniper
Exploitable with Sniper
Yes
CVE Published
Apr 8, 2021
Detection added at
Software Type
VPN Router
Vendor
Cisco
Product
Cisco Systems