CVE-2020-26062 (GCVE-0-2020-26062)
Vulnerability from cvelistv5 – Published: 2024-11-18 16:06 – Updated: 2024-11-18 18:46
VLAI
EPSS
VEX
Title
Cisco Integrated Management Controller Username Enumeration Vulnerability
Summary
A vulnerability in Cisco Integrated Management Controller could allow an unauthenticated, remote attacker to enumerate valid usernames within the vulnerable application.
The vulnerability is due to differences in authentication responses sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to the affected application. A successful exploit could allow the attacker to confirm the names of administrative user accounts for use in further attacks.There are no workarounds that address this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-18 18:39 UTC
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Unified Computing System (Managed) |
Affected:
4.0(1a)
Affected: 3.2(3n) Affected: 4.1(1a) Affected: 4.1(1b) Affected: 4.0(4h) Affected: 4.1(1c) Affected: 3.2(3k) Affected: 3.2(2c) Affected: 4.0(4e) Affected: 4.0(4g) Affected: 3.2(3i) Affected: 4.0(2e) Affected: 3.2(3g) Affected: 4.0(4a) Affected: 4.0(2d) Affected: 3.2(2d) Affected: 4.0(1b) Affected: 4.0(4f) Affected: 3.2(3h) Affected: 3.2(2f) Affected: 4.0(4c) Affected: 3.2(3a) Affected: 4.0(1c) Affected: 3.2(3d) Affected: 3.2(2b) Affected: 4.0(4b) Affected: 3.2(2e) Affected: 4.0(2b) Affected: 4.0(4d) Affected: 3.2(1d) Affected: 3.2(3e) Affected: 3.2(3l) Affected: 3.2(3b) Affected: 4.0(2a) Affected: 3.2(3j) Affected: 4.0(1d) Affected: 3.2(3o) Affected: 4.0(4i) Affected: 4.1(1d) Affected: 4.1(2a) Affected: 4.1(1e) Affected: 3.2(3p) |
|
| cisco | unified_computing_system |
Affected:
4.0\(1a\)
Affected: 3.2\(3n\) Affected: 4.1\(1a\) Affected: 4.1\(1b\) Affected: 4.0\(4h\) Affected: 4.1\(1c\) Affected: 3.2\(3k\) Affected: 3.2\(2c\) Affected: 4.0\(4e\) Affected: 4.0\(4g\) Affected: 3.2\(3i\) Affected: 4.0\(2e\) Affected: 3.2\(3g\) Affected: 4.0\(4a\) Affected: 4.0\(2d\) Affected: 3.2\(2d\) Affected: 4.0\(1b\) Affected: 4.0\(4f\) Affected: 3.2\(3h\) Affected: 3.2\(2f\) Affected: 4.0\(4c\) Affected: 3.2\(3a\) Affected: 4.0\(1c\) Affected: 3.2\(3d\) Affected: 3.2\(2b\) Affected: 4.0\(4b\) Affected: 3.2\(2e\) Affected: 4.0\(2b\) Affected: 4.0\(4d\) Affected: 3.2\(1d\) Affected: 3.2\(3e\) Affected: 3.2\(3l\) Affected: 3.2\(3b\) Affected: 4.0\(2a\) Affected: 3.2\(3j\) Affected: 4.0\(1d\) Affected: 3.2\(3o\) Affected: 4.0\(4i\) Affected: 4.1\(1d\) Affected: 4.1\(2a\) Affected: 4.1\(1e\) Affected: 3.2\(3p\) cpe:2.3:a:cisco:unified_computing_system:4.0\(1a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3n\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(1a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(1b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4h\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(1c\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3k\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(2c\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4e\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4g\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3i\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(2e\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3g\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(2d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(2d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(1b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4f\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3h\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(2f\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4c\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(1c\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(2b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(2e\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(2b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(1d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3e\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3l\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3b\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(2a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3j\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(1d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3o\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.0\(4i\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(1d\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(2a\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:4.1\(1e\):*:*:*:*:*:*:* cpe:2.3:a:cisco:unified_computing_system:3.2\(3p\):*:*:*:*:*:*:* |
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"defects": [
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"discovery": "EXTERNAL"
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"title": "Cisco Integrated Management Controller Username Enumeration Vulnerability"
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{
"lang": "es",
"value": "Una vulnerabilidad en Cisco Integrated Management Controller podr\u00eda permitir que un atacante remoto no autenticado enumere nombres de usuario v\u00e1lidos dentro de la aplicaci\u00f3n vulnerable. La vulnerabilidad se debe a diferencias en las respuestas de autenticaci\u00f3n enviadas desde la aplicaci\u00f3n como parte de un intento de autenticaci\u00f3n. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando solicitudes de autenticaci\u00f3n a la aplicaci\u00f3n afectada. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante confirmar los nombres de las cuentas de usuario administrativas para usarlas en ataques posteriores. No existen workarounds que aborden esta vulnerabilidad."
}
],
"id": "CVE-2020-26062",
"lastModified": "2026-06-17T03:07:31.733",
"metrics": {
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"privilegesRequired": "NONE",
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"impactScore": 1.4,
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"metrics": [
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{
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],
"role": "CISA Coordinator",
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},
"type": "ssvc"
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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],
"cna": {
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},
{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns"
},
{
"name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-teams-xss-zLW9tD3",
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{
"name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanx3-vrZbOqqD",
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],
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"title": "Cisco Integrated Management Controller Username Enumeration Vulnerability"
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"state": "PUBLISHED"
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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.
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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