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CVE-2019-12387
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters…
Medium6.1EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPItwistedGHSA-6cc5-2vg4-cc7m (opens in a new tab)
References (9)
- https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2019:1760 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:1785 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2019-b67877d7c2 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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-6cc5-2vg4-cc7m (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-2019-12387)Record last updated .