Detections
Analytics

CVE-2019-12855

critical

Description

In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.

References

https://usn.ubuntu.com/4308-2/

https://usn.ubuntu.com/4308-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/

https://github.com/twisted/twisted/pull/1147

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00028.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00013.html

https://www.oracle.com/security-alerts/cpuapr2020.html

https://twistedmatrix.com/trac/ticket/9561

Details

Source: Mitre, NVD

Published: 2019-06-16

Updated: 2024-11-25

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: High

CVSS v4

Base Score: 9.1

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00646