cve-2025-14821
HIGH CVSS 7.8 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2025-01-01 00:00 UTC
- Last Modified
- 2026-08-31
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
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"text": "A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration files from the C:\\etc directory, which can be created and modified by unprivileged local users.",
"title": "Vulnerability description"
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"text": "libssh: libssh: Insecure default configuration leads to local man-in-the-middle attacks on Windows",
"title": "Vulnerability summary"
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"category": "other",
"text": "This vulnerability is rated Low for Red Hat products. The flaw in libssh is specific to its insecure default configuration on Windows systems, where it loads configuration from the C:\\etc directory. Red Hat's Linux-based products do not utilize this configuration path, and therefore are not affected by this vulnerability.",
"title": "Statement"
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{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-14821"
},
{
"category": "external",
"summary": "RHBZ#2423148",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423148"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-14821",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-14821"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-14821",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14821"
},
{
"category": "external",
"summary": "https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/",
"url": "https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/"
}
],
"release_date": "2026-02-10T18:51:56.639000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-04-08T13:23:35+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:libssh-main@aarch64",
"Red Hat Hardened Images:libssh-main@noarch",
"Red Hat Hardened Images:libssh-main@src",
"Red Hat Hardened Images:libssh-main@x86_64"
],
"url": "https://access.redhat.com/errata/RHSA-2026:7067"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:libssh-main@aarch64",
"Red Hat Hardened Images:libssh-main@noarch",
"Red Hat Hardened Images:libssh-main@src",
"Red Hat Hardened Images:libssh-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:libssh-main@aarch64",
"Red Hat Hardened Images:libssh-main@noarch",
"Red Hat Hardened Images:libssh-main@src",
"Red Hat Hardened Images:libssh-main@x86_64",
"red_hat_enterprise_linux_10:libssh",
"red_hat_enterprise_linux_10:libssh-config",
"red_hat_enterprise_linux_10:libssh-devel",
"red_hat_enterprise_linux_10:libssh.src",
"red_hat_enterprise_linux_6:libssh2",
"red_hat_enterprise_linux_6:libssh2-devel",
"red_hat_enterprise_linux_6:libssh2-docs",
"red_hat_enterprise_linux_6:libssh2.src",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low",
"product_ids": [
"Red Hat Hardened Images:libssh-main@aarch64",
"Red Hat Hardened Images:libssh-main@noarch",
"Red Hat Hardened Images:libssh-main@src",
"Red Hat Hardened Images:libssh-main@x86_64",
"red_hat_enterprise_linux_10:libssh",
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]
}
],
"title": "libssh: libssh: Insecure default configuration leads to local man-in-the-middle attacks on Windows"
}
]
}
Enrichment data
Aggregated bundle (all enrichments)