Description
The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
Exploits (2)
References (17)
Core 17
Core References
Broken Link x_refsource_misc
https://www.callstranger.com
Third Party Advisory, US Government Resource x_refsource_misc
https://www.kb.cert.org/vuls/id/339275
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/06/08/2
Third Party Advisory x_refsource_misc
https://www.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of
Third Party Advisory x_refsource_misc
https://github.com/yunuscadirci/CallStranger
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/158051/CallStranger-UPnP-Vulnerability-Checker.html
Third Party Advisory x_refsource_misc
https://corelight.blog/2020/06/10/detecting-the-new-callstranger-upnp-vulnerability-with-zeek/
Third Party Advisory x_refsource_misc
https://github.com/corelight/callstranger-detector
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZDWHKGN3LMGSUEOAAVAMOD3IUIPJVOJ/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RQEYVY4D7LASH6AI4WK3IK2QBFHHF3Q2/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3SHL4LOFGHJ3DIXSUIQELGVBDJ7V7LB/
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/08/msg00011.html
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/08/msg00013.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4494-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4806
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4898
Scores
CVSS v3
7.5
EPSS
0.0398
EPSS Percentile
88.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
Details
CWE
CWE-276
Status
published
Products (50)
asus/rt-n11
broadcom/adsl
canon/selphy_cp1200
canonical/ubuntu_linux
20.04
cisco/wap131
cisco/wap150
cisco/wap351
debian/debian_linux
9.0
debian/debian_linux
10.0
dell/b1165nfw
... and 40 more
Published
Jun 08, 2020
Tracked Since
Feb 18, 2026