Vulnerability CVE-2021-34824
Published: 2021-06-29

Description:
Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.

Type:

CWE-668

 (Exposure of Resource to Wrong Sphere)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Istio -> Istio 

 References:
https://istio.io/latest/news/security/istio-security-2021-007
https://github.com/istio/istio/releases
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