VDB-262510 · CVE-2019-19752 · GCVE-0-2019-19752

nvOC up to 3.2 SSH Host Key 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.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in nvOC up to 3.2. The affected element is an unknown function of the component SSH Host Key Handler. Executing a manipulation can lead to hard-coded key. This vulnerability is registered as CVE-2019-19752. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in nvOC up to 3.2. It has been declared as problematic. This vulnerability affects an unknown part of the component SSH Host Key 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. CVE summarizes:

nvOC through 3.2 ships with SSH host keys baked into the installation image, which allows man-in-the-middle attacks and makes identification of all public IPv4 nodes trivial with Shodan.io. NOTE: as of 2019-12-01, the vendor indicated plans to fix this in the next image build.

The advisory is available at github.com. This vulnerability was named CVE-2019-19752 since 12/12/2019. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

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

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Productinfo

Name

nvOC

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2019 🔍
04/30/2024 +1600 days 🔍
04/30/2024 +0 days 🔍
03/25/2025 +329 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-19752 (🔍)
GCVE (CVE): GCVE-0-2019-19752
GCVE (VulDB): GCVE-100-262510

Entryinfo

Created: 04/30/2024 20:28
Updated: 03/25/2025 23:37
Changes: 04/30/2024 20:28 (50), 03/25/2025 23:37 (2)
Complete: 🔍
Cache ID: 216::103