CVE-2021-28156 Security feature bypass in n/a
Attackers can bypass audit logging in HashiCorp Consul Enterprise by sending crafted HTTP events, hiding malicious activity from administrators.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-28156?
CVE-2021-28156 is a high-severity vulnerability in n/a, published on 20 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
HashiCorp Consul Enterprise version 1.8.0 up to 1.9.4 audit log can be bypassed by specifically crafted HTTP events. Fixed in 1.9.5, and 1.8.10.
Which versions are affected by CVE-2021-28156?
1 open source package ship an affected version, including consul. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
consul Bitnami | From 1.8.0 | 1.8.10, 1.9.5 |
Products include Hashicorp Consul.
How do I fix CVE-2021-28156?
Upgrade consul to a fixed version for your release line: 1.8.10 or 1.9.5.
Is CVE-2021-28156 being exploited?
There is no known exploitation of CVE-2021-28156 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-2021-28156, GHSA-jw67-86pq-v324, UBUNTU-CVE-2021-28156.