VDB-186049 · CVE-2021-40119 · GCVE-0-2021-40119

Cisco Policy Suite Key-based SSH Authentication hard-coded key

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.
9.6	$5k-$25k	0.00

Summaryinfo

A vulnerability has been found in Cisco Policy Suite and classified as very critical. The affected element is an unknown function of the component Key-based SSH Authentication Handler. This manipulation causes hard-coded key. The identification of this vulnerability is CVE-2021-40119. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as very critical was found in Cisco Policy Suite (the affected version unknown). Affected by this vulnerability is an unknown part of the component Key-based SSH Authentication Handler. The manipulation with an unknown input leads to a hard-coded key vulnerability. The CWE definition for the vulnerability is CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/04/2021 as cisco-sa-cps-static-key-JmS92hNv. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2021-40119 since 08/25/2021. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/04/2021). MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading eliminates this vulnerability.

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

Productinfo

Vendor

Cisco

Name

Policy Suite

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

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

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

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/25/2021 🔍
11/04/2021 +71 days 🔍
11/04/2021 +0 days 🔍
11/09/2021 +5 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-cps-static-key-JmS92hNv
Status: Confirmed

CVE: CVE-2021-40119 (🔍)
GCVE (CVE): GCVE-0-2021-40119
GCVE (VulDB): GCVE-100-186049

Entryinfo

Created: 11/04/2021 20:11
Updated: 11/09/2021 15:04
Changes: 11/04/2021 20:11 (48), 11/09/2021 15:04 (1)
Complete: 🔍
Cache ID: 216::103