CVE-2021-27603
Quick assessment
Affected
SAP SE SAP NetWeaver AS for ABAP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
SAP NetWeaver AS ABAP Business Server是德国思爱普（SAP）公司的一款适用于ABAP（高级商务应用编程）的应用服务器。 SAP NetWeaver AS ABAP Business Server 存在安全漏洞，攻击者可利用该漏洞可以多次调用此功能模块来阻塞所有工作进程，从而导致拒绝服务并影响SAP系统的可用性。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-27603
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An RFC enabled function module SPI_WAIT_MILLIS in SAP NetWeaver AS ABAP, versions - 731, 740, 750, allows to keep a work process busy for any length of time. An attacker could call this function module multiple times to block all work processes thereby causing Denial of Service and affecting the Availability of the SAP system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SAP NetWeaver AS ABAP Business Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP NetWeaver AS ABAP Business Server是德国思爱普（SAP）公司的一款适用于ABAP（高级商务应用编程）的应用服务器。 SAP NetWeaver AS ABAP Business Server 存在安全漏洞，攻击者可利用该漏洞可以多次调用此功能模块来阻塞所有工作进程，从而导致拒绝服务并影响SAP系统的可用性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SAP SE | SAP NetWeaver AS for ABAP | < 731 | - |
|
II. Public POCs for CVE-2021-27603
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-27603 (2)
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649 x_refsource_MISC
-
https://launchpad.support.sap.com/#/notes/3028729 x_refsource_MISC
Same Patch Batch · SAP SE · 2021-04-13 · 11 CVEs total
| CVE-2021-27598 | SAP Netweaver 访问控制错误漏洞 | |
| CVE-2021-21483 | SAP Solution Manager 信息泄露漏洞 | |
| CVE-2021-21482 | SAP NetWeaver Master Data Management 信息泄露漏洞 | |
| CVE-2021-21492 | SAP NetWeaver Application Server Java 安全漏洞 | |
| CVE-2021-27602 | SAP Commerce 代码注入漏洞 | |
| CVE-2021-27600 | SAP Manufacturing Execution 跨站脚本漏洞 | |
| CVE-2021-27601 | SAP Netweaver 跨站脚本漏洞 | |
| CVE-2021-27605 | SAP HCM Travel Management 安全漏洞 | |
| CVE-2021-21485 | SAP NetWeaver Application Server 信息泄露漏洞 | |
| CVE-2021-27609 | SAP Focused Run 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: SAP SE
-
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Multiple vulnerabilities in SAP NetWeaver Application Server -
CVE-2023-36920
Clickjacking vulnerability in SAP Enable Now -
CVE-2023-40307
Privileges Memory Corruption (Out-of-bound write) -
CVE-2023-40306
URL Redirection vulnerability in SAP S/4HANA (Manage Catalog -
CVE-2022-41211
SAP 3D Visual Enterprise Viewer和SAP 3D Visual Enterprise Aut
V. Comments for CVE-2021-27603
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