Medium severity · published Jul 14, 2021
CVE-2021-33684
SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49,…
5.3
CVSS
1%
EPSS
No
On KEV
Description
SAP NetWeaver AS ABAP and ABAP Platform, versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, KERNEL 8.04, 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.77, 7.81, 7.84, allows an attacker to send overlong content in the RFC request type thereby crashing the corresponding work process because of memory corruption vulnerability. The work process will attempt to restart itself after the crash and hence the impact on the availability is low.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netweaver Abap · Sap
7.21; 7.21ext; 7.22; 7.22ext; 7.49; 7.53; +7 more · source: NVD
NA
Netweaver Application Server Abap · Sap
7.21; 7.21ext; 7.22; 7.22ext; 7.49; 7.53; +7 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33684
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33684
Permissions Required
https://launchpad.support.sap.com/#/notes/3032624
Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
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