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Vulnerability CVE-2020-16844
Published: 2020-10-01
| 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. |
Type:
NVD-CWE-noinfo
CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
5.5/10 |
4.9/10 |
8/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
Single time |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
None |
References: |
https://github.com/istio/istio/releases
https://istio.io/latest/news/security/istio-security-2020-009/
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