CVE-2021-33663 Other in SAP NetWeaver AS ABAP
An unauthorized attacker can inject cleartext commands into encrypted SMTP sessions, compromising application integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33663?
CVE-2021-33663 is a medium-severity vulnerability in Sap Netweaver Application Server Abap, published on 9 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SAP NetWeaver AS ABAP, versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83,7.84, allows an unauthorized attacker to insert cleartext commands due to improper restriction of I/O buffering into encrypted SMTP sessions over the network which can partially impact the integrity of the application.
Which versions are affected by CVE-2021-33663?
It affects 1 product.
Products include Sap Netweaver Application Server Abap.
How do I fix CVE-2021-33663?
No fix has been published for CVE-2021-33663 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33663 being exploited?
There is no known exploitation of CVE-2021-33663 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Abap
- CVE-2026-0488 Code Injection vulnerability in SAP CRM and SAP S/4HANA (Scripting Editor)
- CVE-2021-40499 Code injection in SAP NetWeaver Application Server for ABAP (SAP Cloud Print Manager and SAPSprint)
- CVE-2023-27269 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-27500 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-0014 Capture-replay vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
Sources
Also known as GHSA-276v-xm73-5p9c.