Vulnerability Name:

CVE-2021-33691 (CCN-207239)

Assigned:2021-08-10
Published:2021-08-10
Updated:2021-09-28
Summary:NWDI Notification Service versions - 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.SAP NetWeaver Development Infrastructure Notification Service allows a threat actor to send crafted scripts to a victim. If the victim has an active session when the crafted script gets executed, the threat actor could compromise information in victims session, and gain access to some sensitive information also.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.6 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2021-33691

Source: XF
Type: UNKNOWN
sap-cve202133691-xss(207239)

Source: CCN
Type: SAP Web site
SAP Support Note 3073450

Source: MISC
Type: Permissions Required
https://launchpad.support.sap.com/#/notes/3073450

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

Source: MISC
Type: Patch, Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806

Vulnerable Configuration:Configuration 1:
  • cpe:/a:sap:netweaver_development_infrastructure:7.31:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_development_infrastructure:7.40:*:*:*:*:*:*:*
  • OR cpe:/a:sap:netweaver_development_infrastructure:7.50:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sap netweaver development infrastructure 7.31
    sap netweaver development infrastructure 7.40
    sap netweaver development infrastructure 7.50