Security readout for executives and security teams
CVE-2020-2778 is a low-severity Oracle Java SE flaw in JSSE, Java's TLS/HTTPS security component. An unauthenticated network attacker could, under difficult conditions, read a limited subset of Java-accessible data. The issue affects Java SE 11.0.6 and 14 in client and server deployments. Exposure is most likely where applications, servers, clients, or embedded products still run Oracle Java SE 11.0.6 or 14, or corresponding unpatched OpenJDK packages referenced by Debian, Ubuntu, or openSUSE advisories. NetApp also published related product guidance. Treat this as routine but necessary Java patching, not an emergency. Prioritize systems handling sensitive data over Java HTTPS and products with bundled Java. The business risk is limited data exposure, with difficult exploitation and no source-provided evidence of active exploitation. Mitigation focus: Update affected Java SE or OpenJDK runtimes using vendor security advisories.; Apply Oracle April 2020 CPU guidance where Oracle Java is used.; Apply Debian, Ubuntu, or openSUSE security updates for distro-managed Java packages..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2020-2778 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N2.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.7LowVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2020.htmlCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200416-0004/CVE reference · x_refsource_CONFIRM
- DSA-4662CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-4337-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.