gsd-2020-25648
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.
Aliases
Aliases
CVE-2020-25648


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-25648",
    "description": "A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.",
    "id": "GSD-2020-25648",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-25648.html",
      "https://access.redhat.com/errata/RHSA-2021:3572",
      "https://access.redhat.com/errata/RHBA-2021:2854",
      "https://access.redhat.com/errata/RHSA-2021:1384",
      "https://advisories.mageia.org/CVE-2020-25648.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-25648.html",
      "https://linux.oracle.com/cve/CVE-2020-25648.html",
      "https://ubuntu.com/security/CVE-2020-25648"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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        "CVE-2020-25648"
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      "id": "GSD-2020-25648",
      "modified": "2023-12-13T01:21:57.129956Z",
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    }
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-10-28T17:15Z",
      "publishedDate": "2020-10-20T22:15Z"
    }
  }
}


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