What’s Vulnerable › Vulnerabilities
CVE-2021-33663
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-06-09 · updated 2026-06-17
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.
Affected products
- SAP_SE SAP NetWeaver Application Server for ABAP and ABAP Platform: kernel_7.22, kernel_7.49, kernel_7.53, kernel_7.73, kernel_7.77, kernel_7.81 (+17)
References
- https://launchpad.support.sap.com/#/notes/3030604
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
- https://launchpad.support.sap.com/#/notes/3030604
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999
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