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CVE-2022-40674: libexpat before 2.4.9 (exclusive); +6 more affected products
CVE-2022-40674. CVSS 3.1 base score 8.1 (HIGH, NVD). EPSS 0.02223 (percentile 0.82247), scored 13-Oct-2026.
Affected technology
libexpat · before 2.4.9 (exclusive)
libexpat project
debian linux · 10.0
debian
debian linux · 11.0
debian
fedora · 35
fedoraproject
fedora · 36
fedoraproject
fedora · 37
fedoraproject
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 2.4.9
Component: Not specified by the source
Function: in
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (Source advisory, 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 8.1/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-416
- CCR priority
- 33.0 /100 (P4)
- CVSS 3.1
- 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.02223 · percentile 0.82247 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-15 01:13:25.227066+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2022-40674.html