CVE-2021-25313 json
Rancher: XSS on /v3/cluster/
published 2021-03-05 5 y ago modified 2026-09-10 1 mo ago also GHSA-6m8r-jh89-rq7h , EUVD-2022-2822
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rancher allows remote attackers to execute JavaScript via malicious links. This issue affects: SUSE Rancher Rancher versions prior to 2.5.6.
Patch / fix
- go github.com/rancher/rancher 2.3.11, 2.4.14, 2.5.6
- SUSE Rancher 2.5.6
Exploit prediction
1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/rancher/rancher | >=2.5.0, <2.5.6 >=2.4.0, <2.4.14 <2.3.11 |
2.5.6 2.4.14 2.3.11 |
Affected products
- SUSE Rancher
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
bugzilla.suse.com
/show_bug.cgi?id=1181852
web, issue-tracking, vendor-advisory
-
github.com
/rancher/rancher/issues/31583
web, issue-tracking, third-party-advisory
-
github.com
/rancher/rancher/releases/tag/v2.5.6
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-25313
advisory
-
github.com
/rancher/rancher/releases/tag/v2.3.11
web
-
github.com
/rancher/rancher/releases/tag/v2.4.14
web
Sources
- CVE List CVE-2021-25313
- GitHub Advisory GHSA-6m8r-jh89-rq7h
- NVD CVE-2021-25313
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