CVE-2021-27607
SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), 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,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), 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, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method ThSncIn() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.51% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- sap/netweaver as abap
- Source
- cna@sap.com
References
- https://launchpad.support.sap.com/#/notes/3021197Permissions Required, Vendor Advisory
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory
- https://launchpad.support.sap.com/#/notes/3021197Permissions Required, Vendor Advisory
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.