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CVE-2023-45586

An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through…

Medium4.7EPSS 0.29%
Published
Updated
Reserved
Assigned by
fortinet

Description

An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.

Scores

CVSS scores of CVE-2023-45586, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium4.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:X/RC:C
NVDNVD · Modified3.1Medium5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.29% · top 79% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Weakness

Affected products

  • Fortinet · FortiProxy

    • affected 7.4.0 – ≤ 7.4.1
    • affected 7.2.0 – ≤ 7.2.7
    • affected 7.0.0 – ≤ 7.0.13
    • affected 2.0.0 – ≤ 2.0.14

  • Fortinet · FortiOS

    • affected 7.4.0 – ≤ 7.4.1
    • affected 7.2.0 – ≤ 7.2.7
    • affected 7.0.0 – ≤ 7.0.12
    • affected 6.4.0 – ≤ 6.4.15
    • affected 6.2.0 – ≤ 6.2.16

What to do

Solution: Please upgrade to FortiProxy version 7.4.2 or above Please upgrade to FortiProxy version 7.2.8 or above Please upgrade to FortiProxy version 7.0.14 or above Please upgrade to FortiOS version 7.4.2 or above Please upgrade to FortiOS version 7.2.8 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiSASE version 23.4.a or above

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-45586 badge
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Record last updated .