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CVE-2023-23780

A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through 6.3.19, Fortinet…

High7.6EPSS 0.79%
Published
Updated
Reserved
Assigned by
fortinet

Description

A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through 6.3.19, Fortinet FortiWeb 6.4 all versions allows attacker to escalation of privilege via specifically crafted HTTP requests.

Scores

CVSS scores of CVE-2023-23780, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1High7.6CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.79% · top 44% of all CVEs (6 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: High 7.6.

Weakness

Affected products

  • Fortinet · FortiWeb

    • affected 7.0.0 – ≤ 7.0.1
    • affected 6.4.0 – ≤ 6.4.2
    • affected 6.3.6 – ≤ 6.3.19

What to do

Solution: Please upgrade to FortiWeb version 7.0.2 or above Please upgrade to FortiWeb version 6.3.20 or above

References (1)

Sources

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

Badge for a README or a ticket

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Record last updated .