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CVE-2023-45853: zlib before 1.3.1 (exclusive), 0 to before 1.3; +5 more affected products
CVE-2023-45853. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.03179 (percentile 0.87749), scored 13-Oct-2026.
Affected technology
zlib · before 1.3.1 (exclusive)
zlib
pyminizip · through 0.2.6 (inclusive)
smihica
n/a · n/a
Vendor not specified by the source
zlib · 0 to before 1.3
zlib
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: through 1.3
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 · 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 8.8/10) 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
- 40.0 /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
- 0.03179 · percentile 0.87749 · 2026-10-13
- KEV
- no
Provenance
- 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-2023-45853.html