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CVE-2023-4807: openssl from 1.1.1 (inclusive), before 1.1.1w (exclusive), from 3.0.0 (inclusive), before 3.0.11 (exclusive), from…

CVE-2023-4807. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00843 (percentile 0.56845), scored 13-Oct-2026.

Affected technology

openssl · from 1.1.1 (inclusive), before 1.1.1w (exclusive)
openssl

openssl · from 3.0.0 (inclusive), before 3.0.11 (exclusive)
openssl

openssl · from 3.1.0 (inclusive), before 3.1.3 (exclusive)
openssl

OpenSSL · 3.1.0 to before 3.1.3, 3.0.0 to before 3.0.11, 1.1.1 to before 1.1.1w
OpenSSL

SIDIS Prime · 0 to before V4.0.700
Siemens

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

SINEC NMS · 0 to before V3.0 SP1
Siemens

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

The source says impact summary: If in an application that uses the OpenSSL library an attacker can influence whether the POLY1305 MAC algorithm is used, the application state might be corrupted with various application dependent consequences. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.

Published

CWE
CWE-440
CCR priority
31.4 /100 (P4)
CVSS 3.1
7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS
0.00843 · percentile 0.56845 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2023-4807.html