GSD-2020-2002
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-2002",
"description": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0.",
"id": "GSD-2020-2002"
},
"gsd": {
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"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
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"details": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0.",
"id": "GSD-2020-2002",
"modified": "2023-12-13T01:21:50.923256Z",
"schema_version": "1.4.0"
}
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"DATE_PUBLIC": "2020-05-13T16:00:00.000Z",
"ID": "CVE-2020-2002",
"STATE": "PUBLIC",
"TITLE": "PAN-OS: Spoofed Kerberos key distribution center authentication bypass"
},
"affects": {
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"credit": [
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"lang": "eng",
"value": "Palo Alto Networks would like to thank Yoav Iellin, Yaron Kassner, and Rotem Zach from Silverfort for discovering and reporting this issue."
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}
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"impact": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"name": "https://security.paloaltonetworks.com/CVE-2020-2002",
"refsource": "MISC",
"url": "https://security.paloaltonetworks.com/CVE-2020-2002"
}
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"solution": [
{
"lang": "eng",
"value": "This issue is fixed in PAN-OS 7.1.26, PAN-OS 8.1.13, PAN-OS 9.0.6, and all later PAN-OS versions.\n\nPAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered by our Product Security Assurance policies."
}
],
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"lang": "eng",
"time": "2020-05-13T16:00:00.000Z",
"value": "Initial publication"
}
],
"work_around": [
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"lang": "eng",
"value": "Ensure that PAN-OS communicates to Kerberos server over a secured network with access restricted to trusted users.\n\nPlease review the Best Practices for Securing Administrative Access in the PAN-OS technical documentation, available at: https://docs.paloaltonetworks.com."
}
]
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"description": {
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"value": "An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0."
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"authentication": "NONE",
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"baseScore": 6.8,
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
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"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
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"lastModifiedDate": "2020-05-19T16:02Z",
"publishedDate": "2020-05-13T19:15Z"
}
}
}
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Sightings
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Nomenclature
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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