CVE-2026-20093 (GCVE-0-2026-20093)
Vulnerability from cvelistv5
Published
2026-04-01 16:28
Modified
2026-04-02 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin.
This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to bypass authentication, alter the passwords of any user on the system, including an Admin user, and gain access to the system as that user.
References
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Enterprise NFV Infrastructure Software |
Version: 4.1.1 Version: 3.9.1 Version: 3.5.2 Version: 3.12.2 Version: 3.6.2 Version: 3.9.2 Version: 3.11.3 Version: 3.11.1 Version: 3.5.1 Version: 3.3.1 Version: 3.10.2 Version: 3.12.1b Version: 3.4.1 Version: 3.12.1a Version: 3.6.3 Version: 3.8.1 Version: 3.11.2 Version: 3.12.1 Version: 3.12.3 Version: 3.10.1 Version: 3.6.1 Version: 3.10.3 Version: 3.7.1 Version: 4.1.2 Version: 4.2.1 Version: 4.2.2 Version: 4.4.1 Version: 4.4.2 Version: 4.5.1 Version: 4.4.3 Version: 4.6.1 Version: 4.7.1 Version: 4.6.2-FC2 Version: 4.6.2-FC3 Version: 4.6.2 Version: 4.8.1 Version: 4.8.2 Version: 4.9.1 Version: 4.6.3 Version: 4.9.2-FC5 Version: 4.9.2 Version: 4.10.1 Version: 4.9.3 Version: 4.11.1 Version: 4.9.4 Version: 4.12.1 Version: 4.6.4 Version: 4.12.2 Version: 4.13.1 Version: 4.9.4-ES8 Version: 4.9.5 Version: 4.12.3 Version: 4.6.5-ES1 Version: 4.9.4-ES9 Version: 4.14.1 Version: 4.6.3-FC4 Version: 4.9.4-FC3 Version: 4.12.4 Version: 4.15.1 Version: 4.9.6 Version: 4.16.1 Version: 4.15.2 Version: 4.12.5 Version: 4.15.3 Version: 4.15.4 Version: 4.18.1 Version: 4.12.6 Version: 4.18.2 Version: 4.18.2a |
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|
||||||||||||||
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"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as\u0026nbsp;Admin.\r\n\r\nThis vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to bypass authentication, alter the passwords of any user on the system, including an\u0026nbsp;Admin user, and gain access to the system as that user."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Improper Input Validation",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-01T16:28:38.714Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-cimc-auth-bypass-AgG2BxTn",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-auth-bypass-AgG2BxTn"
}
],
"source": {
"advisory": "cisco-sa-cimc-auth-bypass-AgG2BxTn",
"defects": [
"CSCwq55659"
],
"discovery": "EXTERNAL"
},
"title": "Cisco Integrated Management Controller Authentication Bypass Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20093",
"datePublished": "2026-04-01T16:28:38.714Z",
"dateReserved": "2025-10-08T11:59:15.368Z",
"dateUpdated": "2026-04-02T03:56:12.925Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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