Medium severity · published Apr 13, 2021
CVE-2021-27601
SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netweaver Application Server Java · Sap
7.10; 7.11; 7.30; 7.31; 7.40; 7.50 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27601
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27601
Permissions Required
https://launchpad.support.sap.com/#/notes/2963592
Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649
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