CVE-2021-36173

CVSS V2 Medium 6.8 CVSS V3 High 8.8
Description
A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.
Overview
  • CVE ID
  • CVE-2021-36173
  • Assigner
  • psirt@fortinet.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-08T19:15:09
  • Last Modified Date
  • 2021-12-10T16:37:23
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 1 OR 6.0.0 6.0.13
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 1 OR 6.2.0 6.2.9
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* 1 OR 6.4.0 6.4.6
cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:fortinet:fortigate-1100e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate-200f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate-2600f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate-3500f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate-400e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate-600e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_1800f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_2200e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_3300e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_3600e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_40f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_60f:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:fortinet:fortigate_7121f:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://fortiguard.com/advisory/FG-IR-21-115 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-36173
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36173
History
Created Old Value New Value Data Type Notes
2022-05-10 06:41:51 Added to TrackCVE
2022-12-06 03:22:59 2021-12-08T19:15Z 2021-12-08T19:15:09 CVE Published Date updated
2022-12-06 03:22:59 2021-12-10T16:37:23 CVE Modified Date updated
2022-12-06 03:22:59 Analyzed Vulnerability Status updated