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Fencer Vulns
high 8.0

CVE-2023-32198 json

Steve doesn’t verify a server’s certificate and is susceptible to man-in-the-middle (MitM) attacks

published 2025-04-25 18 mo ago modified 2026-10-16 23 d ago also GHSA-95fc-g4gj-mqmx , GO-2025-3648 , EUVD-2023-60719

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A vulnerability has been identified in Steve where by default it was using an insecure option that did not validate the certificate presented by the remote server while performing a TLS connection. This could allow the execution of a man-in-the-middle (MitM) attack against services using Steve.

Patch / fix

  • go github.com/rancher/steve 0.2.1, 0.3.3, 0.4.4, 0.5.13
  • SUSE steve 0.2.1, 0.3.3, 0.4.4, 0.5.13
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250506T153719-1.1

opensuse advisories openSUSE-SU-2025:15059-1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
24 d ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
GitHub 3.1 8.0 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/rancher/steve
>=0.2.0, <0.2.1
>=0.3.0, <0.3.3
>=0.4.0, <0.4.4
>=0.5.0, <0.5.13
all versions
0.2.1
0.3.3
0.4.4
0.5.13

Affected products

  • SUSE steve

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.