CVE-2020-16844

Published Oct 1, 2020

Last updated 4 years ago

Overview

Description
In Istio 1.5.0 though 1.5.8 and Istio 1.6.0 through 1.6.7, when users specify an AuthorizationPolicy resource with DENY actions using wildcard suffixes (e.g. *-some-suffix) for source principals or namespace fields, callers will never be denied access, bypassing the intended policy.
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
6.8
Impact score
5.2
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
4.9
Impact score
4.9
Exploitability score
6.8
Vector string
AV:N/AC:M/Au:S/C:P/I:P/A:N

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending

Configurations