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01 Record

CVE-2025-23390

Fleet doesn’t validate a server’s certificate when connecting through SSH

MediumPUBLISHEDCNA: suse
CNA base score6.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

02 Description

Fleet doesn’t validate a server’s certificate when connecting through SSH

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.19% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 8.6% of scored records. A rank, not a probability.
NVD base score
6.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-19.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-15 08:16Z14 DAYS AGO
Last updated
2026-10-15 14:21Z13 DAYS AGO
Reserved
2025-01-15
Assigning CNA
suse
Record state
PUBLISHED
Severity
Medium (CVSS 6.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weaknesses
  • CWE-295Improper Certificate ValidationBase
Data version
5.2
Document digest
19efcd8123ae21fe879d547310f62db124922d2e65072ae3c9ba5a8b0aeda270

05 Affected products

VendorProductVersionsPlatforms
SUSEfleet0.9.0-rc.1 to < 0.10.12, 0.11.0 to < 0.11.7, 0.12.0 to < 0.12.2—

06 References