CVE-2021-44168 : A download of code without integrity check vulnerability in the "execute restore

A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.

Published 2022-01-04 13:15:08

Updated 2022-01-12 21:20:01

Source Fortinet, Inc.

View at NVD, CVE.org

Products affected by CVE-2021-44168

Fortinet » Fortios
Versions from including (>=) 7.0.0 and before (<) 7.0.3
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.2.0 and before (<) 6.2.10
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions from including (>=) 6.4.0 and before (<) 6.4.8
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions
Fortinet » Fortios
Versions before (<) 6.0.14
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Matching versions

CVE-2021-44168 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Fortinet FortiOS Arbitrary File Download

CISA required action:

Apply updates per vendor instructions.

CISA description:

Fortinet FortiOS "execute restore src-vis" downloads code without integrity checking, allowing an attacker to arbitrarily download files.

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2021-44168

Added on 2021-12-10 Action due date 2021-12-24

Exploit prediction scoring system (EPSS) score for CVE-2021-44168

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-44168

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
3.3	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	1.8	1.4	Fortinet, Inc.
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE ids for CVE-2021-44168

CWE-494 Download of Code Without Integrity Check

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-44168

https://fortiguard.com/psirt/FG-IR-21-201

PSIRT Advisories | FortiGuard
Vendor Advisory