CVE-2021-21485 Information disclosure in SAP NetWeaver AS for JAVA (Telnet Commands)

What is CVE-2021-21485?

CVE-2021-21485 is a high-severity vulnerability in Sap Netweaver Application Server Java, published on 13 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An unauthorized attacker may be able to entice an administrator to invoke telnet commands of an SAP NetWeaver Application Server for Java that allow the attacker to gain NTLM hashes of a privileged user.

Which versions are affected by CVE-2021-21485?

It affects 1 product.

Products include Sap Netweaver Application Server Java.

How do I fix CVE-2021-21485?

No fix has been published for CVE-2021-21485 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21485 being exploited?

There is no known exploitation of CVE-2021-21485 in the wild and no public exploit code.

Other vulnerabilities in Sap Netweaver Application Server Java

• CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Exploited Critical 10.0
• CVE-2010-5326 SAP NetWeaver Remote Code Execution Exploited Critical 10.0
• CVE-2016-2386 SAP NetWeaver SQL Injection Exploited Critical 9.8
• CVE-2017-12637 SAP NetWeaver Directory Traversal Exploited High 7.5
• CVE-2016-3976 SAP NetWeaver Directory Traversal Exploited High 7.5

All Sap Netweaver Application Server Java vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-88r2-jwq3-7x27.