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",
      },
      osvSchema: {
         aliases: [
            "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,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  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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