CVE-2001-0669 (GCVE-0-2001-0669)
Vulnerability from cvelistv5 – Published: 2001-10-12 04:00 – Updated: 2024-08-08 04:30
VLAI?
Summary
Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-08T04:30:06.065Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "VU#548515",
"tags": [
"third-party-advisory",
"x_refsource_CERT-VN",
"x_transferred"
],
"url": "http://www.kb.cert.org/vuls/id/548515"
},
{
"name": "3292",
"tags": [
"vdb-entry",
"x_refsource_BID",
"x_transferred"
],
"url": "http://www.securityfocus.com/bid/3292"
},
{
"name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability",
"tags": [
"vendor-advisory",
"x_refsource_CISCO",
"x_transferred"
],
"url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
},
{
"name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
"tags": [
"third-party-advisory",
"x_refsource_ISS",
"x_transferred"
],
"url": "http://xforce.iss.net/alerts/advise95.php"
},
{
"name": "20010905 %u encoding IDS bypass vulnerability",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ",
"x_transferred"
],
"url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2001-09-05T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2016-10-17T13:57:01",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"name": "VU#548515",
"tags": [
"third-party-advisory",
"x_refsource_CERT-VN"
],
"url": "http://www.kb.cert.org/vuls/id/548515"
},
{
"name": "3292",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/3292"
},
{
"name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability",
"tags": [
"vendor-advisory",
"x_refsource_CISCO"
],
"url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
},
{
"name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
"tags": [
"third-party-advisory",
"x_refsource_ISS"
],
"url": "http://xforce.iss.net/alerts/advise95.php"
},
{
"name": "20010905 %u encoding IDS bypass vulnerability",
"tags": [
"mailing-list",
"x_refsource_BUGTRAQ"
],
"url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2001-0669",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "VU#548515",
"refsource": "CERT-VN",
"url": "http://www.kb.cert.org/vuls/id/548515"
},
{
"name": "3292",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/3292"
},
{
"name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability",
"refsource": "CISCO",
"url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
},
{
"name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
"refsource": "ISS",
"url": "http://xforce.iss.net/alerts/advise95.php"
},
{
"name": "20010905 %u encoding IDS bypass vulnerability",
"refsource": "BUGTRAQ",
"url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2001-0669",
"datePublished": "2001-10-12T04:00:00",
"dateReserved": "2001-08-27T00:00:00",
"dateUpdated": "2024-08-08T04:30:06.065Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:cisco:catalyst_6000_intrusion_detection_system_module:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"670E75BE-D3CB-4BA7-BF17-F4CEFBA668D1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:cisco:secure_intrusion_detection_system:*:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"77012AED-148F-422C-AB0C-DBD7BB1D3493\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:iss:realsecure_network_sensor:5.x:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D0D349D6-057D-459C-861B-FF9BE193A3D2\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:iss:realsecure_network_sensor:6.x:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D1D78D55-2486-48C6-8766-D933328F585A\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:iss:realsecure_server_sensor:5.5:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AC67A95B-3CCF-469F-98C2-8D8C7B2E0F91\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:iss:realsecure_server_sensor:6.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"42507EA0-009C-466B-A4AD-F7C050682F49\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"12D3E0FE-0557-4B8F-A97B-1FBE6030C8CA\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:h:enterasys:dragon:4.x:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"2CE293CA-7874-4B54-8516-AF3469A3440D\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \\\"%u\\\" Unicode encoding of ASCII characters in the requested URL.\"}]",
"id": "CVE-2001-0669",
"lastModified": "2024-11-20T23:35:52.900",
"metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2001-10-30T05:00:00.000",
"references": "[{\"url\": \"http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.kb.cert.org/vuls/id/548515\", \"source\": \"cve@mitre.org\", \"tags\": [\"US Government Resource\"]}, {\"url\": \"http://www.securityfocus.com/bid/3292\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://xforce.iss.net/alerts/advise95.php\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"http://www.kb.cert.org/vuls/id/548515\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"US Government Resource\"]}, {\"url\": \"http://www.securityfocus.com/bid/3292\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://xforce.iss.net/alerts/advise95.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2001-0669\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2001-10-30T05:00:00.000\",\"lastModified\":\"2025-04-03T01:03:51.193\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \\\"%u\\\" Unicode encoding of ASCII characters in the requested URL.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:catalyst_6000_intrusion_detection_system_module:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"670E75BE-D3CB-4BA7-BF17-F4CEFBA668D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:secure_intrusion_detection_system:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"77012AED-148F-422C-AB0C-DBD7BB1D3493\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:iss:realsecure_network_sensor:5.x:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0D349D6-057D-459C-861B-FF9BE193A3D2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:iss:realsecure_network_sensor:6.x:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1D78D55-2486-48C6-8766-D933328F585A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:iss:realsecure_server_sensor:5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AC67A95B-3CCF-469F-98C2-8D8C7B2E0F91\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:iss:realsecure_server_sensor:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"42507EA0-009C-466B-A4AD-F7C050682F49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"12D3E0FE-0557-4B8F-A97B-1FBE6030C8CA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:enterasys:dragon:4.x:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2CE293CA-7874-4B54-8516-AF3469A3440D\"}]}]}],\"references\":[{\"url\":\"http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/548515\",\"source\":\"cve@mitre.org\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.securityfocus.com/bid/3292\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://xforce.iss.net/alerts/advise95.php\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/548515\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.securityfocus.com/bid/3292\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://xforce.iss.net/alerts/advise95.php\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
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.
Loading…
Loading…