CVE-2021-28156

moderate-risk
Published 2021-04-20

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.

Do I need to act?

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0.45% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Hashicorp

References (6)

Vendor Advisory https://discuss.hashicorp.com/t/hcsec-2021-08-consul-enterprise-audit-log-bypass...
Third Party Advisory https://security.gentoo.org/glsa/202208-09
Vendor Advisory https://www.hashicorp.com/blog/category/consul
Vendor Advisory https://discuss.hashicorp.com/t/hcsec-2021-08-consul-enterprise-audit-log-bypass...
Third Party Advisory https://security.gentoo.org/glsa/202208-09
Vendor Advisory https://www.hashicorp.com/blog/category/consul
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal