CVE-2020-16844
MEDIUM
6.8
CVSS Score
Published: October 1, 2020 at 04:32 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
1 product affected across 1 vendorIstio
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Severity
MEDIUM6.8
Exploit prediction
EPSS 1%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMExploitMitigationVendor Advisory
Source: [email protected]
https://istio.io/latest/news/security/istio-security-2020-009/CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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