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P4Verified

CVE-2019-3863: libssh2 1.8.1; +12 more affected products

CVE-2019-3863. CVSS 2.0 base score 6.8 (MEDIUM, NVD). EPSS 0.03437 (percentile 0.88693), scored 13-Oct-2026.

Affected technology

libssh2 · before 1.8.1 (exclusive)
libssh2

debian linux · 8.0
debian

ontap select deploy administration utility · Version not applicable in the source CPE
netapp

leap · 15.0
opensuse

leap · 42.3
opensuse

enterprise linux desktop · 7.0
redhat

enterprise linux server · 7.0
redhat

enterprise linux server aus · 7.6
redhat

enterprise linux server eus · 7.6
redhat

enterprise linux server tus · 7.6
redhat

enterprise linux workstation · 7.0
redhat

libssh2 · 1.8.1
The libssh2 Project

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 1.8.1 creating a vulnerability on the SSH client side

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.0): Network (remote) · No privileges required · User interaction required

Attack conditions (NVD, CVSS 3.0): Network (remote) · No privileges required · User interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.0 assessment (base score 7.5/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.0 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.

Published

CWE
CWE-190, CWE-787
CCR priority
28.1 /100 (P4)
CVSS 2.0
6.8 /10 · CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P · NVD
EPSS
0.03437 · percentile 0.88693 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2019-3863.html