Vulnerability · Published Apr 20, 2021 · Assigned by mitre

CVE-2021-28156

High 7.5

In plain English

A high-severity security flaw in the consul package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)2.3%top 16.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	consul	no fix listed	UBUNTU-CVE-2021-28156

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.hashicorp.com/blog/category/consul x_refsource_MISC
https://discuss.hashicorp.com/t/hcsec-2021-08-consul-enterprise-audit-log-bypass-for-http-events/23369 x_refsource_MISC
GLSA-202208-09 vendor-advisory, x_refsource_GENTOO