CVE-2019-12855

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.

Category

7.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.65%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory twistedmatrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://twistedmatrix.com/trac/ticket/9561 vendor advisory
https://github.com/twisted/twisted/pull/1147 third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00013.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00028.html vendor advisory
https://usn.ubuntu.com/4308-2/ vendor advisory
https://usn.ubuntu.com/4308-1/ vendor advisory
https://www.oracle.com/security-alerts/cpuapr2020.html

Frequently Asked Questions

What is the severity of CVE-2019-12855?
CVE-2019-12855 has been scored as a high severity vulnerability.
How to fix CVE-2019-12855?
To fix CVE-2019-12855, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-12855 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-12855 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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