Vulnerability Details : CVE-2021-34824
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.
Exploit prediction scoring system (EPSS) score for CVE-2021-34824
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 42 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-34824
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
[email protected] |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
[email protected] |
References for CVE-2021-34824
-
https://istio.io/latest/news/security/istio-security-2021-007
Vendor Advisory
-
https://github.com/istio/istio/releases
Release Notes;Third Party Advisory
Products affected by CVE-2021-34824
- cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
- cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*