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Vulnerability Details : CVE-2021-27631

SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), versions - KRNL32NUC - 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, 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 EnqConvUniToSrvReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Publish Date : 2021-06-09 Last Update Date : 2021-11-04
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 20

- Products Affected By CVE-2021-27631

# Product Type Vendor Product Version Update Edition Language
1 Application SAP Netweaver As Abap Kernel 8.04 * * * Version Details Vulnerabilities
2 Application SAP Netweaver As Abap Krnl64uc 8.04 * * * Version Details Vulnerabilities
3 Application SAP Netweaver As Abap Krnl64uc 7.22 * * * Version Details Vulnerabilities
4 Application SAP Netweaver As Abap Krnl32nuc 7.22 * * * Version Details Vulnerabilities
5 Application SAP Netweaver As Abap Krnl64uc 7.22ext * * * Version Details Vulnerabilities
6 Application SAP Netweaver As Abap Krnl32nuc 7.22ext * * * Version Details Vulnerabilities
7 Application SAP Netweaver As Abap Kernel 7.22 * * * Version Details Vulnerabilities
8 Application SAP Netweaver As Abap Krnl64nuc 7.22 * * * Version Details Vulnerabilities
9 Application SAP Netweaver As Abap Krnl64nuc 7.22ext * * * Version Details Vulnerabilities
10 Application SAP Netweaver As Abap Krnl64nuc 7.49 * * * Version Details Vulnerabilities
11 Application SAP Netweaver As Abap Krnl64uc 7.49 * * * Version Details Vulnerabilities
12 Application SAP Netweaver As Abap Kernel 7.49 * * * Version Details Vulnerabilities
13 Application SAP Netweaver As Abap Kernel 7.53 * * * Version Details Vulnerabilities
14 Application SAP Netweaver As Abap Krnl64uc 7.53 * * * Version Details Vulnerabilities
15 Application SAP Netweaver As Abap Krnl64uc 7.73 * * * Version Details Vulnerabilities
16 Application SAP Netweaver As Abap Kernel 7.73 * * * Version Details Vulnerabilities
17 Application SAP Netweaver As Abap Kernel 7.77 * * * Version Details Vulnerabilities
18 Application SAP Netweaver As Abap Kernel 7.81 * * * Version Details Vulnerabilities
19 Application SAP Netweaver As Abap Kernel 7.82 * * * Version Details Vulnerabilities
20 Application SAP Netweaver As Abap Kernel 7.83 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
SAP Netweaver As Abap 20

- References For CVE-2021-27631

http://packetstormsecurity.com/files/164595/SAP-NetWeaver-ABAP-Enqueue-Memory-Corruption.html
https://launchpad.support.sap.com/#/notes/3020104
http://seclists.org/fulldisclosure/2021/Oct/29
FULLDISC 20211022 Onapsis Security Advisory 2021-0017: [Multiple CVEs] Memory Corruption vulnerability in SAP NetWeaver ABAP Enqueue service
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

- Metasploit Modules Related To CVE-2021-27631

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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