HomePentest-Tools.com Logo

Apache Struts - Remote Code Execution (CVE-2021-31805)

Severity
CVSSv3 Score
9.8
Exploitable with Sniper
Yes
Vulnerability description

Apache Struts is affected by a Remote Code Execution vulnerability, located in the Apache Struts 2 Framework. This vulnerability exists because of the incomplete fix issued for CVE-2020-17530. The root cause of this vulnerability consists in a forced double Object-Graph Navigation Language (OGNL) evaluation vulnerability on raw user-provided input, in tag attributes.

Exploit capabilities

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

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.

Recommendation

Upgrade the Apache Struts to 2.5.30 version or greater.

Detectable with
Network Scanner
Vuln date
Apr 2022
Published at
Updated at
Software Type
Web framework
Vendor
Apache
Product
Struts
Codename
S2-062