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FortinetVULNRICHMENT:CVE-2023-40718

HistoryOct 10, 2023 - 4:49 p.m.

CVE-2023-40718

2023-10-1016:49:04

CWE-436

fortinet

github.com

fortinet ips engine

interpretation conflict

evasion

crafted tcp packets

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R

AI Score

6.8

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:fortinet:fortios_ips_engine:*:*:*:*:*:*:*:*"
    ],
    "vendor": "fortinet",
    "product": "fortios_ips_engine",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "7.321"
      },
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "7.166"
      },
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "6.158"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

fortiguard.com/psirt/FG-IR-23-090

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R

AI Score

6.8

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

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