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CVE-2020-1934 (GCVE-0-2020-1934)

Vulnerability from cvelistv5 – Published: 2020-04-01 19:22 – Updated: 2024-08-04 06:54
VLAI
Summary
In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.
CWE
  • mod_proxy_ftp use of uninitialized value
References
URL Tags
https://lists.apache.org/thread.html/r52a52fd60a2… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r1719675306d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r5d12ffc8068… mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
https://httpd.apache.org/security/vulnerabilities… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2020041… x_refsource_CONFIRM
https://usn.ubuntu.com/4458-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2020/dsa-4757 vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.apache.org/thread.html/rf6449464fd8… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r06f0d87ebb6… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r09bb998baee… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rc998b18880d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rdf3e5d0a5f5… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9f93cf6dde3… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r3c5c3104813… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r33e62622438… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r26706d75f6b… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd336919f655… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r76142b8c511… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
Apache Apache HTTP Server Affected: 2.4.0 to 2.4.41
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Show details on NVD website

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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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            "url": "https://usn.ubuntu.com/4458-1/"
          },
          {
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            "tags": [
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            "url": "https://www.debian.org/security/2020/dsa-4757"
          },
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            "tags": [
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            "url": "https://www.oracle.com/security-alerts/cpujul2020.html"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-908"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T23:12:19+00:00",
      "cve": "CVE-2020-1934",
      "id": "CVE-2020-1934",
      "initial_release_date": "2020-04-01T00:00:00+00:00",
      "product_status:fixed": "257",
      "product_status:known_affected": "17",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: mod_proxy_ftp use of uninitialized value",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-1934.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-08T00:06:48Z",
      "cve": "CVE-2020-1934",
      "id": "CVE-2020-1934",
      "initial_release_date": "2023-02-15T04:04:13Z",
      "product_status:known_affected": "31",
      "product_status:recommended": "281",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-1934",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-1934.json",
      "version": "11"
    }
  }
}



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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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Detection rules are retrieved from Rulezet.

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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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