Vulnerability-Lookup

GHSA-5XC8-P2X4-CP2P

Vulnerability from github – Published: 2022-04-30 18:16 – Updated: 2022-04-30 18:16

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2001-0669"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2001-10-30T05:00:00Z",
    "severity": "HIGH"
  },
  "details": "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": "GHSA-5xc8-p2x4-cp2p",
  "modified": "2022-04-30T18:16:30Z",
  "published": "2022-04-30T18:16:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2001-0669"
    },
    {
      "type": "WEB",
      "url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
    },
    {
      "type": "WEB",
      "url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
    },
    {
      "type": "WEB",
      "url": "http://www.kb.cert.org/vuls/id/548515"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/3292"
    },
    {
      "type": "WEB",
      "url": "http://xforce.iss.net/alerts/advise95.php"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2001-0669 (GCVE-0-2001-0669)

Vulnerability from cvelistv5 – Published: 2001-10-12 04:00 – Updated: 2024-08-08 04:30

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

5 references

URL	Tags
http://www.kb.cert.org/vuls/id/548515	third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/bid/3292	vdb-entryx_refsource_BID
http://www.cisco.com/warp/public/707/cisco-intrus…	vendor-advisoryx_refsource_CISCO
http://xforce.iss.net/alerts/advise95.php	third-party-advisoryx_refsource_ISS
http://marc.info/?l=bugtraq&m=99972950200602&w=2	mailing-listx_refsource_BUGTRAQ

Date Public

2001-09-05 00:00

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JSON

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{
  "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": [
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          "versions": [
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      ],
      "datePublic": "2001-09-05T00:00:00.000Z",
      "descriptions": [
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          "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."
        }
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      "providerMetadata": {
        "dateUpdated": "2016-10-17T13:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "VU#548515",
          "tags": [
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            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/548515"
        },
        {
          "name": "3292",
          "tags": [
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            "x_refsource_BID"
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        },
        {
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          "tags": [
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            "x_refsource_CISCO"
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          "url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
        },
        {
          "name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
          "tags": [
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            "x_refsource_ISS"
          ],
          "url": "http://xforce.iss.net/alerts/advise95.php"
        },
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          "name": "20010905 %u encoding IDS bypass vulnerability",
          "tags": [
            "mailing-list",
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          "url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
        }
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      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2001-0669",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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                "vendor_name": "n/a"
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        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
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              "lang": "eng",
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            },
            {
              "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",
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  "cveMetadata": {
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    "dateReserved": "2001-08-27T00:00:00.000Z",
    "dateUpdated": "2024-08-08T04:30:06.065Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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.

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.

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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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GHSA-5XC8-P2X4-CP2P

CVE-2001-0669 (GCVE-0-2001-0669)

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