CVE catalog

CVE-2020-2778

UBUNTU-

[CVE catalog]

Vulnerability in the Java SE product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 11.0.6 and 14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Severity
Low · CVSS 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Published
Updated
Source
[NVD] · [CVE record]
EPSS
2.36% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Ubuntu20.04openjdk-lts11.0.5+10-0ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.5+10-2ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.6+10-1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.6+10-2ubuntu2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.7+10-2ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.7+9-1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.1+10-1ubuntu2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.1+10-3ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.3UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.4UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]

Showing 12 observations. All 23 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Debian11openjdk-1111.0.7+10-1UnknownSource applicability is not established[DEBIAN-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.1+10-1ubuntu2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.1+10-3ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.3UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10.0.2+13-1ubuntu0.18.04.4UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10~46-4ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts10~46-5ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.2+9-3ubuntu1~18.04.3UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.3+7-1ubuntu2~18.04.1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.4+11-1ubuntu2~18.04.3UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.5+10-0ubuntu1.1~18.04UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.6+10-1ubuntu1~18.04.1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts11.0.7+10-2ubuntu2~18.04UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts9.0.4+12-2ubuntu4UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu18.04openjdk-lts9.0.4+12-4ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.5+10-0ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.5+10-2ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.6+10-1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.6+10-2ubuntu2UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.7+10-2ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Ubuntu20.04openjdk-lts11.0.7+9-1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-2778]
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "openjdk-11",
      "distro": "debian",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.0.7+10-1"
            }
          ]
        }
      ],
      "release": "11",
      "versions": [],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-2778",
      "fixed_version": "11.0.7+10-1",
      "provider_source": "pypi",
      "provider_record_id": "DEBIAN-CVE-2020-2778",
      "provider_updated_at": "2026-08-27T13:03:11.593752027Z",
      "applicability_unknown": true
    },
    {
      "name": "openjdk-lts",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.0.7+10-2ubuntu2~18.04"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "9.0.4+12-2ubuntu4",
        "9.0.4+12-4ubuntu1",
        "10~46-4ubuntu1",
        "10~46-5ubuntu1",
        "10.0.1+10-1ubuntu2",
        "10.0.1+10-3ubuntu1",
        "10.0.2+13-1ubuntu0.18.04.1",
        "10.0.2+13-1ubuntu0.18.04.2",
        "10.0.2+13-1ubuntu0.18.04.3",
        "10.0.2+13-1ubuntu0.18.04.4",
        "11.0.2+9-3ubuntu1~18.04.3",
        "11.0.3+7-1ubuntu2~18.04.1",
        "11.0.4+11-1ubuntu2~18.04.3",
        "11.0.5+10-0ubuntu1.1~18.04",
        "11.0.6+10-1ubuntu1~18.04.1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-2778",
      "fixed_version": "11.0.7+10-2ubuntu2~18.04",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-2778",
      "provider_updated_at": "2026-02-04T02:18:10.620475Z",
      "applicability_unknown": true
    },
    {
      "name": "openjdk-lts",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.0.7+10-2ubuntu1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "11.0.5+10-0ubuntu1",
        "11.0.5+10-2ubuntu1",
        "11.0.6+10-1ubuntu1",
        "11.0.6+10-2ubuntu2",
        "11.0.7+9-1ubuntu1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-2778",
      "fixed_version": "11.0.7+10-2ubuntu1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-2778",
      "provider_updated_at": "2026-02-04T02:18:10.620475Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]