CVE-2021-38155 is an information disclosure vulnerability affecting OpenStack Keystone versions 10.x through 19.x when the PCI DSS account locking feature is enabled. An unauthenticated attacker can confirm the existence of an account and obtain its UUID by repeatedly failing authentication attempts, which could aid in further attacks. This vulnerability has a CVSS score of 7.5 (High) due to its network-based attack vector and high confidentiality impact, requiring no user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.0.0, < 16.0.2CPE matchmatch criteria | cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* | ||
>= 17.0.0, < 17.0.1CPE matchmatch criteria | cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* | ||
>= 18.0.0, < 18.0.1CPE matchmatch criteria | cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* | ||
>= 19.0.0, < 19.0.1CPE matchmatch criteria | cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.