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CVE-2019-12855
In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an…
High7.4EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.4 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPITwistedGHSA-65rm-h285-5cc5 (opens in a new tab)
References (8)
- https://twistedmatrix.com/trac/ticket/9561 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/twisted/twisted/pull/1147 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2019-d480909528 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2019:2068 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:2110 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4308-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4308-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://www.oracle.com/security-alerts/cpuapr2020.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-65rm-h285-5cc5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-12855)Record last updated .