FKIE_CVE-2011-2040
Vulnerability from fkie_nvd - Published: 2011-06-02 19:55 - Updated: 2026-06-16 23:30
Severity
Summary
The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.5.3041, and 3.0.x before 3.0.629, on Linux and Mac OS X downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a Java applet, aka Bug ID CSCsy05934.
References
Impacted products
{
"affected": [
{
"affectedData": [
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"vendor": "n/a",
"versions": [
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}
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.5.3041, and 3.0.x before 3.0.629, on Linux and Mac OS X downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a Java applet, aka Bug ID CSCsy05934."
},
{
"lang": "es",
"value": "La aplicaci\u00f3n de ayuda en Cisco Secure Mobility AnyConnect client (anteriormente AnyConnect VPN Client) antes de v2.5.3041, y v3.0.x antes de v3.0.629, en Linux y Mac OS X descarga un archivo de cliente ejecutable, sin verificar su autenticidad, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario por suplantaci\u00f3n de identidad del servidor VPN. Error tambi\u00e9n conocido como Bug ID CSCsy05934."
}
],
"id": "CVE-2011-2040",
"lastModified": "2026-06-16T23:30:37.590",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-06-02T19:55:04.420",
"references": [
{
"source": "psirt@cisco.com",
"url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=910"
},
{
"source": "psirt@cisco.com",
"tags": [
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],
"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml"
},
{
"source": "psirt@cisco.com",
"tags": [
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],
"url": "http://www.kb.cert.org/vuls/id/490097"
},
{
"source": "psirt@cisco.com",
"url": "http://www.securitytracker.com/id?1025591"
},
{
"source": "psirt@cisco.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
},
{
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"url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=910"
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67739"
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],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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