CVE-2021-39339 (GCVE-0-2021-39339)

Vulnerability from cvelistv5 – Published: 2021-09-22 10:38 – Updated: 2025-03-31 18:20
VLAI
Title
Telefication <= 1.8.0 Open Proxy and Server-Side Request Forgery
Summary
The Telefication WordPress plugin is vulnerable to Open Proxy and Server-Side Request Forgery via the ~/bypass.php file due to a user-supplied URL request value that gets called by a curl requests. This affects versions up to, and including, 1.8.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-31 18:20 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
References
Impacted products
Vendor Product Version CPE status
Telefication Telefication Affected: 1.8.0 , ≤ 1.8.0 (custom)
guessed Create a notification for this product.
Date Public
2021-09-21 00:00
Show details on NVD website

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            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39339"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://plugins.trac.wordpress.org/browser/telefication/tags/1.8.0/bypass.php"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Uninstall plugin."
            }
          ],
          "source": {
            "discovery": "INTERNAL"
          },
          "title": "Telefication \u003c= 1.8.0 Open Proxy and Server-Side Request Forgery",
          "x_generator": {
            "engine": "Vulnogram 0.0.9"
          },
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "AKA": "Wordfence",
              "ASSIGNER": "security@wordfence.com",
              "DATE_PUBLIC": "2021-09-21T15:31:00.000Z",
              "ID": "CVE-2021-39339",
              "STATE": "PUBLIC",
              "TITLE": "Telefication \u003c= 1.8.0 Open Proxy and Server-Side Request Forgery"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
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                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c=",
                                "version_name": "1.8.0",
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                    },
                    "vendor_name": "Telefication"
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                "value": "Marco Wotschka and Charles Strader Sweethill"
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                }
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                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.8,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
                "version": "3.1"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-918 Server-Side Request Forgery (SSRF)"
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        "assignerShortName": "Wordfence",
        "cveId": "CVE-2021-39339",
        "datePublished": "2021-09-22T10:38:17.540Z",
        "dateReserved": "2021-08-20T00:00:00.000Z",
        "dateUpdated": "2025-03-31T18:20:31.937Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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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.


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