CVE-2021-34824 describes a critical vulnerability in Istio versions 1.8.x, 1.9.0-1.9.5, and 1.10.0-1.10.1, allowing unauthorized access to credentials across different namespaces. With a CVSS score of 8.8 (High), this remotely exploitable flaw requires low privileges but can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.8.0, < 1.9.6CPE matchmatch criteria | cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* | ||
>= 1.10.0, < 1.10.2CPE matchmatch criteria | cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
istio: istiod propagates user-specified TLS keys and certificates to the secure Istio gateways
Jun 29, 2021Istio credentialName field vulnerability (CVE-2021-34824)
Istio credential access vulnerability (CVE-2021-34824)