CVE-2023-32186 json
RKE2 supervisor port is vulnerable to unauthenticated remote denial-of-service (DoS) attack via TLS SAN stuffing attack
published 2023-09-11 3 y ago modified 2026-06-17 4 mo ago also GHSA-p45j-vfv5-wprq , EUVD-2023-2553
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service. This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.
Patch / fix
- go github.com/rancher/rke2 1.24.17, 1.25.13, 1.26.8, 1.27.5, 1.28.1
- SUSE RKE2 .27.5\+/rke2r1, 1.24.17\+/rke2r1, 1.24.17+rke2r1, 1.25.13\+/rke2r1, 1.26.8\+/rke2r1, 1.28.1\+/rke2r1, v1.25.13+rke2r1, v1.26.8+rke2r1, v1.27.5+rke2r1, v1.28.1+rke2r1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/rancher/rke2 | <1.24.17 >=1.25.0, <1.25.13 >=1.26.0, <1.26.8 >=1.27.0, <1.27.5 >=1.28.0, <1.28.1 |
1.24.17 1.25.13 1.26.8 1.27.5 1.28.1 |
Affected products
- SUSE RKE2
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprq
web, mitigation, vendor-advisory
-
bugzilla.suse.com
/show_bug.cgi?id=CVE-2023-32186
web, issue-tracking, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-32186
advisory
-
github.com
/rancher/rke2
package
Sources
- CVE List CVE-2023-32186
- GitHub Advisory GHSA-p45j-vfv5-wprq
- NVD CVE-2023-32186
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