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CVE-2019-12290: libidn2 before 2.2.0 (exclusive); +4 more affected products
CVE-2019-12290. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.03106 (percentile 0.87454), scored 13-Oct-2026.
Affected technology
libidn2 · before 2.2.0 (exclusive)
gnu
n/a · n/a
Vendor not specified by the source
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
Description’s affected range: before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and availability impact as none; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-20
- CCR priority
- 30.8 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · NVD
- EPSS
- 0.03106 · percentile 0.87454 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2019-12290.html