CVE-2021-33691 Cross-site scripting in SAP NetWeaver Development Infrastructure (Notification Service)
Attackers can inject scripts into the SAP NetWeaver Notification Service to steal session data and sensitive information from victims.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-33691?
CVE-2021-33691 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver Development Infrastructure (Notification Service), published on 15 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2021-33691?
It affects 1 product.
Products include Sap Netweaver Development Infrastructure.
How do I fix CVE-2021-33691?
No fix has been published for CVE-2021-33691 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-33691 being exploited?
There is no known exploitation of CVE-2021-33691 in the wild and no public exploit code.
Other vulnerabilities in SAP NetWeaver Development Infrastructure (Notification Service)
Sources
Also known as GHSA-h5vp-8vfv-4cgp.