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CVE-2023-22639

A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through…

Medium6.3EPSS 0.19%
Published
Updated
Reserved
Assigned by
fortinet

Description

A out-of-bounds write in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.10, FortiOS version 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version 7.0.0 through 7.0.8, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows attacker to escalation of privilege via specifically crafted commands.

Scores

CVSS scores of CVE-2023-22639, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium6.3CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.19% · top 92% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.

Weakness

Affected products

  • Fortinet · FortiOS

    • affected 7.2.0 – ≤ 7.2.3
    • affected 7.0.0 – ≤ 7.0.10
    • affected 6.4.0 – ≤ 6.4.12
    • affected 6.2.0 – ≤ 6.2.15
    • affected 6.0.0 – ≤ 6.0.17

  • Fortinet · FortiProxy

    • affected 7.2.0 – ≤ 7.2.2
    • affected 7.0.0 – ≤ 7.0.8
    • affected 2.0.0 – ≤ 2.0.12
    • affected 1.2.0 – ≤ 1.2.13
    • affected 1.1.0 – ≤ 1.1.6
    • affected 1.0.0 – ≤ 1.0.7

What to do

Solution: Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.4 or above Please upgrade to FortiOS version 7.0.11 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiProxy version 7.2.3 or above Please upgrade to FortiProxy version 7.0.9 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-2023-22639 badge
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Record last updated .