CVE-2021-36780 json
Unauthorized data access from replicas through vulnerable instance manager pods
published 2021-12-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23364
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
A Missing Authentication for Critical Function vulnerability in longhorn of SUSE Longhorn allows attackers to connect to a longhorn-engine replica instance granting it the ability to read and write data to and from a replica that they should not have access to. This issue affects: SUSE Longhorn longhorn versions prior to 1.1.3; longhorn versions prior to 1.2.3v.
Patch / fix
- SUSE Longhorn 1.1.3, 1.2.3v
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 4.8 | AV:A/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- SUSE Longhorn
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
bugzilla.suse.com
/show_bug.cgi?id=1191819
issue-tracking, vendor-advisory
-
github.com
/longhorn/longhorn/security/advisories/GHSA-g358-m2wp-mhhx
third-party-advisory
Sources
- CVE List CVE-2021-36780
- NVD CVE-2021-36780
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