Fortinet FortiOS/FortiProxy SSH Login authentication bypass by assumed-immutable data

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Fortinet FortiOS and FortiProxy. The affected element is an unknown function of the component SSH Login. The manipulation results in authentication bypass by assumed-immutable data. This vulnerability is cataloged as CVE-2022-35843. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiOS and FortiProxy (Firewall Software) (affected version unknown). It has been classified as critical. Affected is an unknown functionality of the component SSH Login. The manipulation with an unknown input leads to a authentication bypass by assumed-immutable data vulnerability. CWE is classifying the issue as CWE-302. The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 through 2.0.10, 1.2.0 all versions may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server.

The weakness was shared 12/07/2022. The advisory is available at fortiguard.com. This vulnerability is traded as CVE-2022-35843 since 07/13/2022. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.1
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Fortinet, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass by assumed-immutable data
CWE: CWE-302
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/13/2022 🔍
12/07/2022 +147 days 🔍
12/07/2022 +0 days 🔍
01/01/2023 +25 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Status: Confirmed

CVE: CVE-2022-35843 (🔍)
GCVE (CVE): GCVE-0-2022-35843
GCVE (VulDB): GCVE-100-215034

Entryinfo

Created: 12/07/2022 08:41
Updated: 01/01/2023 07:41
Changes: 12/07/2022 08:41 (37), 01/01/2023 07:41 (21)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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