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CVE-2017-17527

Status: ModifiedHigh (8.8)—
Severity8.8High · CVSS 3.0
Exploitation probability1.63 %higher than 76% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

delphi_gui/WWWBrowserRunnerDM.pas in PasDoc 0.14 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a software maintainer has indicated that the code referencing the BROWSER environment variable is never used

CVSS

Base score
8.8
Version
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
1.63 %
Percentile among all scored CVEs
76
Score date
10/21/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Debian — Debian LinuxPasdoc Project — Pasdoc

CWEs

References

Show 2 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2017-17527",
  "cveTags": [
    {
      "tags": [
        "disputed"
      ],
      "sourceIdentifier": "cve@mitre.org"
    }
  ],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-12-14T16:29:00.887",
  "references": [
    {
      "url": "https://security-tracker.debian.org/tracker/CVE-2017-17527",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security-tracker.debian.org/tracker/CVE-2017-17527",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "delphi_gui/WWWBrowserRunnerDM.pas in PasDoc 0.14 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a software maintainer has indicated that the code referencing the BROWSER environment variable is never used"
    },
    {
      "lang": "es",
      "value": "**EN DISPUTA** delphi_gui/WWWBrowserRunnerDM.pas en PasDoc 0.14 no valida cadenas antes de iniciar el programa especificado por la variable de entorno BROWSER. Esto permite que atacantes remotos lleven a cabo ataques de inyección de argumentos mediante una URL manipulada. NOTA: un desarrollador de software ha indicado que el código que hace referencia a la variable de entorno BROWSER no se ha usado nunca."
    }
  ],
  "lastModified": "2026-06-17T01:10:57.197",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:pasdoc_project:pasdoc:0.14:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EEC2EB59-13DF-4C26-B137-E6D833E7C08B"
            }
          ],
          "operator": "OR"
        }
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    },
    {
      "nodes": [
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          "cpeMatch": [
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            },
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  "sourceIdentifier": "cve@mitre.org"
}