Vulnerability Description
An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gupnp | < 1.0.7 |
References
- https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-202PatchVendor Advisory
- https://gitlab.gnome.org/GNOME/gupnp/-/issues/24Issue TrackingVendor Advisory
- https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-202PatchVendor Advisory
- https://gitlab.gnome.org/GNOME/gupnp/-/issues/24Issue TrackingVendor Advisory
FAQ
What is CVE-2021-33516?
CVE-2021-33516 is a vulnerability with a CVSS score of 8.1 (HIGH). An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering ...
How severe is CVE-2021-33516?
CVE-2021-33516 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33516?
Check the references section above for vendor advisories and patch information. Affected products include: Gnome Gupnp.