Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-28053

HashiCorp Consul and Consul Enterprise 1.2.0 up to 1.8.5 allowed operators with operator:read ACL permissions to read the Connect CA private key configuration. Fixed in 1.6.10, 1.7.10, and 1.8.6.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 1 product from hashicorp organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-11-23T14:15:12.377

Last Modified

2024-11-21T05:22:17.453

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-863

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hashicorp	consul	< 1.6.10	Yes
Application	hashicorp	consul	< 1.6.10	Yes
Application	hashicorp	consul	< 1.7.10	Yes
Application	hashicorp	consul	< 1.7.10	Yes
Application	hashicorp	consul	< 1.8.6	Yes
Application	hashicorp	consul	< 1.8.6	Yes

References

https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#186-november-19-2020 Release Notes, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202208-09 Third Party Advisory ([email protected])
https://www.hashicorp.com/blog/category/consul Product, Vendor Advisory ([email protected])
https://github.com/hashicorp/consul/blob/master/CHANGELOG.md#186-november-19-2020 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-09 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.hashicorp.com/blog/category/consul Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hashicorp's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.