7.1

CVE-2021-41803: hashicorp consul Missing Authorization

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2021-41803DEBIAN-CVE-2021-41803GHSA-hr3v-8cp3-68rf
Published 23-09-2022Last modified 27-05-2025
Open JSON

Vulnerability summary

CVE-2021-41803 is a high (CVSS 7.1) Missing Authorization vulnerability in hashicorp consul. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
1.07%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CGA-FGX3-5CHV-RCQ5CGA-X38P-P6H4-33CC

Timeline

  1. 23-09-2022
    PublishedVulnerability first disclosed.
  2. 27-05-2025
    Last modifiedVulnerability information updated.

Description

HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2."

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.07%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.01 pp

From 1.06% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.07%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • consulAll versions (No fix recorded)
Github.com/hashicorp1 product
  • consul≥ 1.8.1, < 1.11.9 | ≥ 1.12.0, < 1.12.5 | ≥ 1.13.0, < 1.13.2
Hashicorp1 product
  • consulEOL≥ 1.8.1, < 1.11.9 | 1.12.4 | 1.13.1
Ubuntu1 product
  • consulAll versions (No fix recorded)

4 vendors · 4 products

References

14 links
Show all 14 references