Vulnerability-Lookup

CVE-2020-37254 (GCVE-0-2020-37254)

Vulnerability from cvelistv5 – Published: 2026-06-19 14:16 – Updated: 2026-07-15 01:24

Title

Wondershare PDFelement 5.2.9 Privilege Escalation via Unquoted Service Path

Summary

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

Severity

8.5 (High)


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

7.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-23 18:52 UTC

CWE

CWE-428 - Unquoted Search Path or Element

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://www.exploit-db.com/exploits/40535	exploit
https://www.wondershare.com/	product
http://download.wondershare.com/inst/pdfelement_s…	product
https://www.vulncheck.com/advisories/wondershare-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Wondershare	PDFelement	Affected: 5.2.9 cpe:2.3:a:wondershare:pdfelement:5.2.9:::::::*

Date Public

2016-10-14 00:00

Credits

Saeed Hasanzadeh (Net.Hun73r)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2020-37254

Vulnerability from fkie_nvd - Published: 2026-06-19 15:16 - Updated: 2026-06-23 20:16

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	disclosure@vulncheck.com	http://download.wondershare.com/inst/pdfelement_setup_full1042.exe
	disclosure@vulncheck.com	https://www.exploit-db.com/exploits/40535
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path
	disclosure@vulncheck.com	https://www.wondershare.com/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PDFelement",
          "vendor": "Wondershare",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.9"
            }
          ]
        }
      ],
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    }
  ],
  "cveTags": [],
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      "lang": "en",
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    }
  ],
  "id": "CVE-2020-37254",
  "lastModified": "2026-06-23T20:16:46.900",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
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    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
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          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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      "url": "http://download.wondershare.com/inst/pdfelement_setup_full1042.exe"
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    },
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      "url": "https://www.wondershare.com/"
    }
  ],
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  "vulnStatus": "Awaiting Analysis",
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    {
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        {
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}

GHSA-XVCC-CXHC-J68H

Vulnerability from github – Published: 2026-06-19 15:33 – Updated: 2026-06-19 15:33

Details

Severity

7.8 (High)


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

8.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2020-37254"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-428"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-19T15:16:34Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-xvcc-cxhc-j68h",
  "modified": "2026-06-19T15:33:19Z",
  "published": "2026-06-19T15:33:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-37254"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/40535"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path"
    },
    {
      "type": "WEB",
      "url": "https://www.wondershare.com"
    },
    {
      "type": "WEB",
      "url": "http://download.wondershare.com/inst/pdfelement_setup_full1042.exe"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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.

Action not permitted

CVE-2020-37254 (GCVE-0-2020-37254)

FKIE_CVE-2020-37254

GHSA-XVCC-CXHC-J68H

Tags

Sightings

Nomenclature

Related by attack behaviour