VDB-212801 · CVE-2022-30307 · GCVE-0-2022-30307

Fortinet FortiOS up to 6.4.9/7.0.6/7.2.0 RSA SSH Host Key key management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Fortinet FortiOS up to 6.4.9/7.0.6/7.2.0. The affected element is an unknown function of the component RSA SSH Host Key Handler. The manipulation leads to key management. This vulnerability is documented as CVE-2022-30307. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiOS up to 6.4.9/7.0.6/7.2.0 (Firewall Software) and classified as problematic. This issue affects an unknown functionality of the component RSA SSH Host Key Handler. The manipulation with an unknown input leads to a key management vulnerability. Using CWE to declare the problem leads to CWE-320. Impacted is confidentiality. The summary by CVE is:

A key management error vulnerability [CWE-320] affecting the RSA SSH host key in FortiOS 7.2.0 and below, 7.0.6 and below, 6.4.9 and below may allow an unauthenticated attacker to perform a man in the middle attack.

The weakness was released 11/02/2022. The advisory is shared at fortiguard.com. The identification of this vulnerability is CVE-2022-30307 since 05/06/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Fortinet

Name

FortiOS

Version

License

commercial

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 3.9
CNA Vector (Fortinet, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Key management
CWE: CWE-320
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/06/2022 🔍
11/02/2022 +180 days 🔍
11/02/2022 +0 days 🔍
12/03/2022 +31 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Status: Confirmed

CVE: CVE-2022-30307 (🔍)
GCVE (CVE): GCVE-0-2022-30307
GCVE (VulDB): GCVE-100-212801

Entryinfo

Created: 11/02/2022 16:05
Updated: 12/03/2022 15:09
Changes: 11/02/2022 16:05 (48), 12/03/2022 15:09 (12)
Complete: 🔍
Cache ID: 216::103