High severity · published Jun 29, 2021
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…
8.8
CVSS
2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
Istio · Istio
1.8.0 before 1.9.6; 1.10.0 before 1.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34824
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34824
Release Notes
https://github.com/istio/istio/releases
Vendor Advisory
https://istio.io/latest/news/security/istio-security-2021-007
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