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FortinetCVE-2021-42761

HistoryFeb 16, 2023 - 7:15 p.m.

CVE-2021-42761

2023-02-1619:15:11

CWE-384

fortinet

web.nvd.nist.gov

fortiweb

cve-2021-42761

session fixation

vulnerability

cwe-384

nvd

security

session management

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.003

Percentile

72.0%

JSON

A condition for session fixation vulnerability [CWE-384] in the session management of FortiWeb versions 6.4 all versions, 6.3.0 through 6.3.16, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 through 6.0.7, 5.9.0 through 5.9.1 may allow a remote, unauthenticated attacker to infer the session identifier of other users and possibly usurp their session.

Affected configurations

Nvd

Node

fortinetfortiwebRange5.6.0–5.9.2

fortinetfortiwebRange6.0.0–6.0.8

fortinetfortiwebRange6.1.0–6.1.3

fortinetfortiwebRange6.2.0–6.2.7

fortinetfortiwebRange6.3.0–6.3.17

fortinetfortiwebRange6.4.0–7.0.0

VendorProductVersionCPE
fortinetfortiweb*cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
fortinet	fortiweb	*	cpe:2.3:a:fortinet:fortiweb::::::::

CNA Affected

[
  {
    "vendor": "Fortinet",
    "product": "FortiWeb",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "version": "6.4.0",
        "lessThanOrEqual": "6.4.2",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "6.3.0",
        "lessThanOrEqual": "6.3.16",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "6.2.0",
        "lessThanOrEqual": "6.2.6",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "6.1.0",
        "lessThanOrEqual": "6.1.2",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "6.0.0",
        "lessThanOrEqual": "6.0.7",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "5.9.0",
        "lessThanOrEqual": "5.9.1",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "5.8.5",
        "lessThanOrEqual": "5.8.7",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "5.8.0",
        "lessThanOrEqual": "5.8.3",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "5.7.0",
        "lessThanOrEqual": "5.7.3",
        "status": "affected"
      },
      {
        "versionType": "semver",
        "version": "5.6.0",
        "lessThanOrEqual": "5.6.2",
        "status": "affected"
      }
    ]
  }
]

References

fortiguard.com/psirt/FG-IR-21-214

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.003

Percentile

72.0%

JSON

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