CVE-2021-27601 : SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-leve

SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.

Published 2021-04-13 19:15:15

Updated 2021-04-20 18:03:17

Source SAP SE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-27601

SAP » Netweaver Application Server Java » Version: 7.50
cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*
Matching versions
SAP » Netweaver Application Server Java » Version: 7.40
cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
Matching versions
SAP » Netweaver Application Server Java » Version: 7.30
cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
Matching versions
SAP » Netweaver Application Server Java » Version: 7.31
cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
Matching versions
SAP » Netweaver Application Server Java » Version: 7.10
cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:*
Matching versions
SAP » Netweaver Application Server Java » Version: 7.11
cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-27601

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 21 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27601

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	SAP SE
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-27601

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-27601

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649

SAP Security Patch Day – April 2021 - Product Security Response at SAP - Community Wiki
Vendor Advisory

CVEs referencing this url
https://launchpad.support.sap.com/#/notes/2963592

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Vulnerability Details : CVE-2021-27601

Products affected by CVE-2021-27601

Exploit prediction scoring system (EPSS) score for CVE-2021-27601

CVSS scores for CVE-2021-27601

CWE ids for CVE-2021-27601

References for CVE-2021-27601