Vulnerability-Lookup

GHSA-PVHV-HMM4-4XWH

Vulnerability from github – Published: 2026-10-22 12:31 – Updated: 2026-10-22 12:31

Details

OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

Severity

7.5 (High)


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

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-48017"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-22T11:17:04Z",
    "severity": "HIGH"
  },
  "details": "OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/\u003cid\u003e?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.",
  "id": "GHSA-pvhv-hmm4-4xwh",
  "modified": "2026-10-22T12:31:15Z",
  "published": "2026-10-22T12:31:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-48017"
    },
    {
      "type": "WEB",
      "url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/orbiteam-bscw-server-lfi.yaml"
    },
    {
      "type": "WEB",
      "url": "https://packetstorm.news/files/id/165156"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20260421125237/https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-bscw-server"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/orbiteam-bscw-server-5.2.5-7.4.4-path-traversal-via-bscw-cgi"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2021-48017 (GCVE-0-2021-48017)

Vulnerability from cvelistv5 – Published: 2026-10-22 10:57 – Updated: 2026-10-22 10:57 X_Known Exploited Vulnerability

Title

OrbiTeam BSCW Server < 5.2.5 / 7.4.4 Path Traversal via bscw.cgi

Summary

OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/<id>?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

7.5 (High)


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

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6748 records in the last 180 days details

References

4 references

URL	Tags
https://web.archive.org/web/20260421125237/https:…	third-party-advisoryexploit
https://packetstorm.news/files/id/165156/	exploit
https://github.com/projectdiscovery/nuclei-templa…	technical-description
https://www.vulncheck.com/advisories/orbiteam-bsc…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
OrbiTeam	BSCW Server	Affected: 5.0.0 , < 5.2.5 (custom) Affected: 7.0.0 , < 7.4.4 (custom)

Date Public

2021-12-02 00:00

Credits

Armin Stock (Atos ODS) of SEC Consult Vulnerability Lab The Shadowserver Foundation

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "BSCW Server",
          "vendor": "OrbiTeam",
          "versions": [
            {
              "lessThan": "5.2.5",
              "status": "affected",
              "version": "5.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.4.4",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Armin Stock (Atos ODS) of SEC Consult Vulnerability Lab"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "The Shadowserver Foundation"
        }
      ],
      "datePublic": "2021-12-02T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/\u003cid\u003e?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T10:57:31.855Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "Archived SEC Consult SA-20211202-0",
          "tags": [
            "third-party-advisory",
            "exploit"
          ],
          "url": "https://web.archive.org/web/20260421125237/https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-bscw-server/"
        },
        {
          "name": "Packet Storm 165156",
          "tags": [
            "exploit"
          ],
          "url": "https://packetstorm.news/files/id/165156/"
        },
        {
          "name": "Nuclei Template",
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/orbiteam-bscw-server-lfi.yaml"
        },
        {
          "name": "VulnCheck Advisory: OrbiTeam BSCW Server \u003c 5.2.5 / 7.4.4 Path Traversal via bscw.cgi",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/orbiteam-bscw-server-5.2.5-7.4.4-path-traversal-via-bscw-cgi"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "tags": [
        "x_known-exploited-vulnerability"
      ],
      "title": "OrbiTeam BSCW Server \u003c 5.2.5 / 7.4.4 Path Traversal via bscw.cgi",
      "x_generator": {
        "engine": "vulncheck-kclub"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2021-48017",
    "datePublished": "2026-10-22T10:57:31.855Z",
    "dateReserved": "2026-10-14T20:25:29.144Z",
    "dateUpdated": "2026-10-22T10:57:31.855Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Vulnerability timeline

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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.
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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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