CVE-2021-29954 json
Proxy functionality built into Hubs Cloud’s Reticulum software allowed access to internal URLs, including the metadata service.
published 2021-06-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16413
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Mozilla Hubs Cloud mozillareality/reticulum/1.0.1/20210428201255
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1707898 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Mozilla Hubs Cloud
Classification
- Weakness
-
- CWE-312 Cleartext Storage of Sensitive Information
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1707898
exploit, issue-tracking, vendor-advisory
-
mozilla.org
/security/advisories/mfsa2021-21/
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-29954
- NVD CVE-2021-29954
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