CVE-2021-33516 is a DNS rebinding vulnerability affecting GUPnP versions before 1.0.7 and 1.1.x/1.2.x before 1.2.5. This allows a remote web server to trick a victim's browser into interacting with local UPnP services, potentially leading to data exfiltration or tampering. Rated 8.1 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N), it requires user interaction but has low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.7CPE matchmatch criteria | cpe:2.3:a:gnome:gupnp:*:*:*:*:*:*:*:* | ||
>= 1.1.0, < 1.2.5CPE matchmatch criteria | cpe:2.3:a:gnome:gupnp:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.