Executive Summary

Informations
Name CVE-2018-16886 First vendor Publication 2019-01-14
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.1
Base Score 8.1 Environmental Score 8.1
impact SubScore 5.9 Temporal Score 8.1
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16886

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
BID http://www.securityfocus.com/bid/106540
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886
MISC https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac...
https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac...
REDHAT https://access.redhat.com/errata/RHSA-2019:0237
https://access.redhat.com/errata/RHSA-2019:1352

Alert History

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Date Informations
2023-11-07 21:40:36
  • Multiple Updates
2021-05-04 13:12:58
  • Multiple Updates
2021-04-22 02:27:22
  • Multiple Updates
2020-05-23 01:09:36
  • Multiple Updates
2019-06-05 05:19:18
  • Multiple Updates
2019-05-06 13:19:05
  • Multiple Updates
2019-04-23 17:19:01
  • Multiple Updates
2019-04-15 17:18:46
  • Multiple Updates
2019-02-01 17:18:54
  • Multiple Updates
2019-01-15 17:19:30
  • Multiple Updates
2019-01-15 00:18:52
  • First insertion