Vulnerability-Lookup

GHSA-7R34-G88H-G49F

Vulnerability from github – Published: 2026-02-27 03:30 – Updated: 2026-02-27 03:30

Details

An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to bypass the authentication requirement and achieve pre-authenticated code execution on the system.

Severity ?

10.0 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-21718"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-27T01:16:18Z",
    "severity": "CRITICAL"
  },
  "details": "An authentication bypass vulnerability exists in Copeland XWEB Pro \nversion 1.12.1 and prior, enabling any attackers to bypass the \nauthentication requirement and achieve pre-authenticated code execution \non the system.",
  "id": "GHSA-7r34-g88h-g49f",
  "modified": "2026-02-27T03:30:26Z",
  "published": "2026-02-27T03:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21718"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json"
    },
    {
      "type": "WEB",
      "url": "https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-21718 (GCVE-0-2026-21718)

Vulnerability from cvelistv5 – Published: 2026-02-27 00:34 – Updated: 2026-02-27 00:34

Title

Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm

Summary

Severity ?

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-327

Assigner

icscert

References

URL

Tags

	https://webapps.copeland.com/Dixell/Pages/SystemS…
	https://www.cisa.gov/news-events/ics-advisories/i…
	https://github.com/cisagov/CSAF/blob/develop/csaf…

Impacted products

Vendor

Product

Version

Copeland

Copeland XWEB 300D PRO

Affected: 0 , ≤ 1.12.1 (custom)

	Copeland	Copeland XWEB 500D PRO	Affected: 0 , ≤ 1.12.1 (custom)
	Copeland	Copeland XWEB 500B PRO	Affected: 0 , ≤ 1.12.1 (custom)

Credits

Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA.

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Copeland XWEB 300D PRO",
          "vendor": "Copeland",
          "versions": [
            {
              "lessThanOrEqual": "1.12.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Copeland XWEB 500D PRO",
          "vendor": "Copeland",
          "versions": [
            {
              "lessThanOrEqual": "1.12.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Copeland XWEB 500B PRO",
          "vendor": "Copeland",
          "versions": [
            {
              "lessThanOrEqual": "1.12.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An authentication bypass vulnerability exists in Copeland XWEB Pro \nversion 1.12.1 and prior, enabling any attackers to bypass the \nauthentication requirement and achieve pre-authenticated code execution \non the system."
            }
          ],
          "value": "An authentication bypass vulnerability exists in Copeland XWEB Pro \nversion 1.12.1 and prior, enabling any attackers to bypass the \nauthentication requirement and achieve pre-authenticated code execution \non the system."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-327",
              "description": "CWE-327",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-27T00:34:55.895Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"
        },
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Copeland has provided a fix for the vulnerabilities and recommends users\n update the XWEB Pro to the latest version by going to their software \nupdate page \n\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate\"\u003ehttps://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate\u003c/a\u003e in the \nsections dedicated to the different XWEBPRO models page.\n\n\u003cbr\u003e"
            }
          ],
          "value": "Copeland has provided a fix for the vulnerabilities and recommends users\n update the XWEB Pro to the latest version by going to their software \nupdate page \n https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate  in the \nsections dedicated to the different XWEBPRO models page."
        },
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Alternatively, a user logged into an XWEB Pro with internet access can \nupdate XWEB Pro directly from Copeland servers via the menu SYSTEM -- \nUpdates | Network.\n\n\u003cbr\u003e"
            }
          ],
          "value": "Alternatively, a user logged into an XWEB Pro with internet access can \nupdate XWEB Pro directly from Copeland servers via the menu SYSTEM -- \nUpdates | Network."
        }
      ],
      "source": {
        "advisory": "ICSA-26-057-10",
        "discovery": "EXTERNAL"
      },
      "title": "Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2026-21718",
    "datePublished": "2026-02-27T00:34:55.895Z",
    "dateReserved": "2026-02-05T19:05:16.863Z",
    "dateUpdated": "2026-02-27T00:34:55.895Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7R34-G88H-G49F

CVE-2026-21718 (GCVE-0-2026-21718)

Tags

Sightings

Nomenclature