CVE-2021-29954

9.8 criticalEPSS 0.6%

Critical (9.8) in mozilla hubs cloud reticulum. EPSS 0.6% chance of exploitation in the next 30 days.

Proxy functionality built into Hubs Cloud’s Reticulum software allowed access to internal URLs, including the metadata service. This vulnerability affects Hubs Cloud < mozillareality/reticulum/1.0.1/20210428201255.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-312
Published: 2021-06-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:hubs_cloud_reticulum

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1707898
https://www.mozilla.org/security/advisories/mfsa2021-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1707898
https://www.mozilla.org/security/advisories/mfsa2021-21/

Check your stack JSON