CVE-2020-28053 Privilege Escalation in HashiCorp Consul
Operators with read permissions can access the Connect CA private key configuration, potentially compromising service mesh security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-28053?
CVE-2020-28053 is a medium-severity vulnerability in n/a, published on 23 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2020-28053?
8 open source packages ship an affected version, including github.com/hashicorp/consul and consul. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/hashicorp/consul Go | From 1.2.0 | 1.6.10, 1.7.10, 1.8.6 |
github.com/hashicorp/consul Go | From 1.2.0 | 1.6.10 |
github.com/hashicorp/consul Go | From 1.2.0 | 1.6.10 |
github.com/hashicorp/consul Go | From 1.7.0 | 1.7.10 |
github.com/hashicorp/consul Go | From 1.7.0 | 1.7.10 |
github.com/hashicorp/consul Go | From 1.8.0 | 1.8.6 |
2 more packages
github.com/hashicorp/consul Go | From 1.8.0 | 1.8.6 |
consul Bitnami | From 1.2.0 | 1.6.10, 1.7.10, 1.8.6 |
Products include Hashicorp Consul.
How do I fix CVE-2020-28053?
Upgrade github.com/hashicorp/consul to a fixed version for your release line: 1.6.10, 1.7.10 or 1.8.6.
Is CVE-2020-28053 being exploited?
There is no known exploitation of CVE-2020-28053 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-41805 Privilege escalation in n/a
- CVE-2021-37219 HashiCorp Consul Privilege Escalation Vulnerability
- CVE-2023-2816 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner
- CVE-2024-10006 Consul L7 Intentions Vulnerable To Headers Bypass
- CVE-2024-10005 Consul L7 Intentions Vulnerable To URL Path Bypass
Sources
Also known as BIT-consul-2020-28053, DEBIAN-CVE-2020-28053, GHSA-6m72-467w-94rh, GO-2024-2505, UBUNTU-CVE-2020-28053.