7.4
HIGH
CVE-2019-12855
Twisted Jabber XMLStream TLS Certificate Verification Bypass
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.

INFO

Published Date :

June 16, 2019, 12:29 p.m.

Last Modified :

Nov. 7, 2023, 3:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2019-12855 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Twistedmatrix twisted
1 Twisted twisted

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-12855 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-12855 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/
  • CVE Modified by [email protected]

    Apr. 15, 2020

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuapr2020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 05, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4308-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 30, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4308-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 10, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00028.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 05, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00013.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 14, 2019

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 17, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:N)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://github.com/twisted/twisted/pull/1147 No Types Assigned https://github.com/twisted/twisted/pull/1147 Patch, Third Party Advisory
    Changed Reference Type https://twistedmatrix.com/trac/ticket/9561 No Types Assigned https://twistedmatrix.com/trac/ticket/9561 Vendor Advisory
    Added CWE CWE-295
    Added CPE Configuration OR *cpe:2.3:a:twistedmatrix:twisted:*:*:*:*:*:*:*:* versions up to (including) 19.2.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-12855 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-12855 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.39 }} 0.08%

score

0.73150

percentile

CVSS30 - Vulnerability Scoring System
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Attack Complexity
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Scope
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