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CVE-2022-22822: libexpat before 2.4.3 (exclusive); +7 more affected products
CVE-2022-22822. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.04829 (percentile 0.91801), scored 13-Oct-2026.
Affected technology
libexpat · before 2.4.3 (exclusive)
libexpat project
nessus · before 8.15.3 (exclusive)
tenable
nessus · from 10.0.0 (inclusive), before 10.1.1 (exclusive)
tenable
sinema remote connect server · before 3.1 (exclusive)
siemens
debian linux · 10.0
debian
debian linux · 11.0
debian
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 2.4.3
Component: Not specified by the source
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 9.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-190
- CCR priority
- 40.4 /100 (P3)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.04829 · percentile 0.91801 · 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-2022-22822.html