VDB
CVE-2018-16886
CVE-2018-16886
PUBLISHED
CVSS 6.800000190734863 MEDIUM
etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.
EPSS 4.03% · 90.2th percentile
Risk Scores
CVSS 3.0
6.800000190734863
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score
4.03%
90.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:18.04:LTS | etcd | 0, 3.1.0-1, 3.2.9+dfsg-3 |
Timeline
- Jan 14, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- May 15, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-16886 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886 third-party-advisory
- https://github.com/etcd-io/etcd/pull/10366 third-party-advisory
- https://github.com/etcd-io/etcd/commit/bf9d0d8291dc71ecbfb2690612954e1a298154b2 third-party-advisory
- https://github.com/etcd-io/etcd/commit/a9a9466fb8ba11ad7bb6a44d7446fbd072d59887 third-party-advisory
- https://github.com/etcd-io/etcd/commit/99704e2a97e8710da942bdc737417fc9c9a2c03f third-party-advisory
- https://github.com/etcd-io/etcd/commit/83c051b701d33261eef91a719e4421c81b000ba4 third-party-advisory
- https://github.com/etcd-io/etcd/pull/10386 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-16886 third-party-advisory