CVE-2020-7955 json
Incorrect Authorization in HashiCorp Consul
published 6y ago modified 2mo ago also BIT-consul-2020-7955 , EUVD-2021-1487 , GHSA-r9w6-rhh9-7v53 , GO-2022-0874
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
HashiCorp Consul and Consul Enterprise 1.4.1 through 1.6.2 did not uniformly enforce ACLs across all API endpoints, resulting in potential unintended information disclosure. Fixed in 1.6.3.
Patch / fix
- go github.com/hashicorp/consul 1.6.3
- bitnami consul 1.6.2
- hashicorp consul 1.6.2
- consul Debian 11 1.7.0+dfsg1-1
debian advisories DEBIAN-CVE-2020-7955
Is CVE-2020-7955 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-7955 updated cvss 5.3
consul: Missing access control in HTTP API endpoints
-
Red Hat OpenShift Service Mesh 1 servicemesh, servicemesh-mixc, servicemesh-mixs, servicemesh-galley, servicemesh-citadel, servicemesh-istioctl, +5 more Red Hat Fuse 7 consul-client consul-clientnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/hashicorp/consul | >=1.4.1, <1.6.3 |
1.6.3 |
| bitnami | consul | >=1.4.1, <1.6.2 |
1.6.2 |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
hashicorp.com
/blog/category/consul/
vendor-advisory, advisory
-
github.com
/hashicorp/consul/issues/7160
web, third-party-advisory, advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2020-7955
advisory, web
-
hashicorp.com
/blog/category/consul
web
-
github.com
/advisories/GHSA-r9w6-rhh9-7v53
advisory
Sources
- CVE List CVE-2020-7955
- GitHub Advisory GHSA-r9w6-rhh9-7v53
- NVD CVE-2020-7955
- OSV BIT-consul-2020-7955
- OSV GO-2022-0874
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