Vulnerability Name:

CVE-2021-27601 (CCN-199864)

Assigned:2021-04-13
Published:2021-04-13
Updated:2021-04-20
Summary: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 v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-27601

Source: XF
Type: UNKNOWN
sap-cve202127601-xss(199864)

Source: CCN
Type: SAP Web site
SAP Support Note 2963592

Source: MISC
Type: Permissions Required
https://launchpad.support.sap.com/#/notes/2963592

Source: CCN
Type: SAP Security Patch Day - April 2021
SAP Security Patch Day - April 2021

Source: MISC
Type: Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    sap netweaver application server java 7.10
    sap netweaver application server java 7.11
    sap netweaver application server java 7.30
    sap netweaver application server java 7.31
    sap netweaver application server java 7.40
    sap netweaver application server java 7.50