CVE-2023-42782

Published Oct 10, 2023 CVSS 3.1 · 5 Medium EPSS < 1% KEV · Not listed
Description
A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.

Remediation

Vendor Solution

Please upgrade to FortiAnalyzer version 7.4.1 or above Please upgrade to FortiAnalyzer version 7.2.4 or above AND  Configure the "un-encrypted-logging" option to disable receiving syslog without encryption through UDP(514) or TCP(514). config system log setting     set un-encrypted-logging disable

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-47212 A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.
References
History
Type Values Removed Values Added
First Time appeared Fortinet fortianalyzer-bigdata
Fortinet fortimanager
CPEs cpe:2.3:a:fortinet:fortianalyzer-bigdata:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*
Vendors & Products Fortinet fortianalyzer-bigdata
Fortinet fortimanager
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Sep 18, 2024, 8:50 PM
Reserved
Sep 14, 2023, 8:37 AM
Status
Modified
Published
Oct 10, 2023, 5:15 PM
Modified
Jun 17, 2026, 6:24 AM