{
  "document": {
    "aggregate_severity": {
      "text": "Low"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
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        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "contact_details": "https://tuxcare.com/contact/",
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        "url": "https://security.tuxcare.com/csaf/v2/els_alt_common/debian11/vex/2020/cve-2020-1968-els_alt_common-debian11.json"
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      "generator": {
        "date": "2026-06-12T16:34:33Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2020-1968-ELS_ALT_COMMON-DEBIAN11",
      "initial_release_date": "2020-09-09T14:15:00Z",
      "revision_history": [
        {
          "date": "2020-09-09T14:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-12T16:34:33Z",
          "number": "2",
          "summary": "Official Publication"
        }
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      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2020-1968"
  },
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  "vulnerabilities": [
    {
      "cve": "CVE-2020-1968",
      "cwe": {
        "id": "CWE-203",
        "name": "Observable Discrepancy"
      },
      "notes": [
        {
          "category": "description",
          "text": "The Raccoon attack exploits a flaw in the TLS specification which can lead to an attacker being able to compute the pre-master secret in connections which have used a Diffie-Hellman (DH) based ciphersuite. In such a case this would result in the attacker being able to eavesdrop on all encrypted communications sent over that TLS connection. The attack can only be exploited if an implementation re-uses a DH secret across multiple TLS connections. Note that this issue only impacts DH ciphersuites and not ECDH ciphersuites. This issue affects OpenSSL 1.0.2 which is out of support and no longer receiving public updates. OpenSSL 1.1.1 is not vulnerable to this issue. Fixed in OpenSSL 1.0.2w (Affected 1.0.2-1.0.2v).",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
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          "Debian-11:alt-openssl-0:1.1.1w-3.2.amd64",
          "Debian-11:alt-openssl-0:1.1.1w-3.4.amd64",
          "Debian-11:alt-openssl-dev-0:1.1.1w-3.1.amd64",
          "Debian-11:alt-openssl-dev-0:1.1.1w-3.2.amd64",
          "Debian-11:alt-openssl-dev-0:1.1.1w-3.4.amd64",
          "Debian-11:alt-openssl-doc-0:1.1.1w-3.1.all",
          "Debian-11:alt-openssl-doc-0:1.1.1w-3.2.all",
          "Debian-11:alt-openssl-doc-0:1.1.1w-3.4.all",
          "Debian-11:alt-openssl-libs-0:1.1.1w-3.1.amd64",
          "Debian-11:alt-openssl-libs-0:1.1.1w-3.2.amd64",
          "Debian-11:alt-openssl-libs-0:1.1.1w-3.4.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els-lang/cve/CVE-2020-1968"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2020/09/msg00016.html",
          "url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00016.html"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202210-02",
          "url": "https://security.gentoo.org/glsa/202210-02"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20200911-0004/",
          "url": "https://security.netapp.com/advisory/ntap-20200911-0004/"
        },
        {
          "category": "external",
          "summary": "https://usn.ubuntu.com/4504-1/",
          "url": "https://usn.ubuntu.com/4504-1/"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20200909.txt",
          "url": "https://www.openssl.org/news/secadv/20200909.txt"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com//security-alerts/cpujul2021.html",
          "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuApr2021.html",
          "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html",
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujan2021.html",
          "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuoct2021.html",
          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
        }
      ],
      "release_date": "2020-09-09T14:15:00Z",
      "scores": [
        {
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            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Low"
        },
        {
          "category": "impact",
          "date": "2026-06-12T13:13:16.651526Z",
          "details": "Not vulnerable: CVE-2020-1968 (Raccoon) affects OpenSSL 1.0.2–1.0.2v when Diffie-Hellman secrets are reused; OpenSSL 1.1.1 is not impacted because it does not reuse DH secrets and does not implement static DH ciphersuites. This environment uses OpenSSL 1.1.1w, which is outside the affected range, so the vulnerable code path is not present.",
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}