8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.002 Low
EPSS
Percentile
51.9%
Severity: Medium
Date : 2021-05-25
CVE-ID : CVE-2021-33516
Package : gupnp
Type : information disclosure
Remote : Yes
Link : https://security.archlinux.org/AVG-1985
The package gupnp before version 1.2.6-1 is vulnerable to information
disclosure.
Upgrade to 1.2.6-1.
The problem has been fixed upstream in version 1.2.6.
None.
An issue was discovered in GUPnP 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 tampering, etc.
A remote attacker can use DNS rebinding to trick a victim’s browser
into triggering actions against local UPnP services.
https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536
https://gitlab.gnome.org/GNOME/gupnp/-/issues/24
https://gitlab.gnome.org/GNOME/gupnp/-/merge_requests/13
https://gitlab.gnome.org/GNOME/gupnp/-/commit/ca6ec9dcb26fd7a2a630eb6a68118659b589afac
https://security.archlinux.org/CVE-2021-33516
discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536
gitlab.gnome.org/GNOME/gupnp/-/commit/ca6ec9dcb26fd7a2a630eb6a68118659b589afac
gitlab.gnome.org/GNOME/gupnp/-/issues/24
gitlab.gnome.org/GNOME/gupnp/-/merge_requests/13
security.archlinux.org/AVG-1985
security.archlinux.org/CVE-2021-33516
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.002 Low
EPSS
Percentile
51.9%