CVE-2019-12387

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.4% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-06-10 11:34Z7 YR AGO

Last updated

2024-08-04 23:17Z2 YR AGO

Reserved

2019-05-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')Variant

Data version

5.1

Document digest

9a8ef6f237d00dbadeb3e78d66589d3d1fde22fc559a7e0c07f42673244edb65

• labs.twistedmatrix.comhttps://labs.twistedmatrix.com/2019/06/twisted-1921-released.htmlx_refsource_CONFIRM
• github.comhttps://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2x_refsource_CONFIRM
• twistedmatrix.comhttps://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.htmlx_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2019:1760http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1785http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-b67877d7c2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/vendor-advisoryx_refsource_FEDORA
• usn.ubuntu.comUSN-4308-2https://usn.ubuntu.com/4308-2/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4308-1https://usn.ubuntu.com/4308-1/vendor-advisoryx_refsource_UBUNTU
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.htmlx_refsource_MISC