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CVE-2023-32198— Steve doesn’t verify a server’s certificate and is susceptible to man-in-the-middle (MitM) attacks

Quick assessment

Affected
SUSE steve
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Steve 中发现了漏洞，默认情况下它使用了一个不安全的选项，在执行 TLS 连接时未验证远程服务器提供的证书。这可能导致对使用 Steve 的服务实施中间人（MitM）攻击。

CVSS 8.0 · High EPSS 0.30% · P53

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2023-32198

Vulnerability Information
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Vulnerability Title
Steve doesn’t verify a server’s certificate and is susceptible to man-in-the-middle (MitM) attacks
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SUSE steve 0.2.0 ~ 0.2.1 -

II. Public POCs for CVE-2023-32198

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III. Intelligence Information for CVE-2023-32198

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Other References for CVE-2023-32198 (1)

Same Patch Batch · SUSE · 2026-10-15 · 5 CVEs total

CVE-2024-22031 8.5 HIGH Rancher users who can create Projects can gain access to arbitrary projects
CVE-2025-23390 6.3 MEDIUM Fleet doesn’t validate a server’s certificate when connecting through SSH
CVE-2026-104618 6.2 MEDIUM sdbootutil: world-readable debug log
CVE-2026-104617 5.1 MEDIUM sdbootutil: qrencode invocation leaks PIN/recovery key in /proc/<pid>/cmdline

IV. Related Vulnerabilities

Same product: steve
Same vendor: SUSE
Same weakness: CWE-295

V. Comments for CVE-2023-32198

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