High severity · published Jun 8, 2020
CVE-2020-12695
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…
7.5
CVSS
15.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)15.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
5Z
5020 Z4a69a · HP
All versions, or not specified · source: NVD
5M
5030 M2u92b · HP
All versions, or not specified · source: NVD
5Z
5030 Z4a70a · HP
All versions, or not specified · source: NVD
5Z
5034 Z4a74a · HP
All versions, or not specified · source: NVD
5F
5660 F8b04a · HP
All versions, or not specified · source: NVD
AD
Adsl · Broadcom
All versions, or not specified · source: NVD
B1
B1165nfw · Dell
All versions, or not specified · source: NVD
DI
Deskjet Ink Advantage 3456 A9t84c · HP
All versions, or not specified · source: NVD
DI
Deskjet Ink Advantage 3545 A9t81a · HP
All versions, or not specified · source: NVD
DI
Deskjet Ink Advantage 3545 A9t81c · HP
All versions, or not specified · source: NVD
DI
Deskjet Ink Advantage 3545 A9t83b · HP
All versions, or not specified · source: NVD
DI
Deskjet Ink Advantage 3546 A9t82a · HP
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12695
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12695
Third Party Advisory
http://packetstormsecurity.com/files/158051/CallStranger-UPnP-Vulnerability-Checker.html
Mailing List
http://www.openwall.com/lists/oss-security/2020/06/08/2
Third Party Advisory
https://corelight.blog/2020/06/10/detecting-the-new-callstranger-upnp-vulnerability-with-zeek/
Third Party Advisory
https://github.com/corelight/callstranger-detector
Third Party Advisory
https://github.com/yunuscadirci/CallStranger
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00011.html