Vulnerability Database

326,895

Total vulnerabilities in the database

CVE-2020-14621

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: JAXP). Supported versions that are affected are Java SE: 7u261, 8u251, 11.0.7 and 14.0.1; Java SE Embedded: 8u251. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Java SE, Java SE Embedded accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

  • Published: Jul 15, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-14621
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
oracle / jdk 11.0.7 11.0.7.x
oracle / jdk 14.0.1 14.0.1.x
oracle / jdk 1.8.0-update251 1.8.0-update251.x
oracle / jdk 1.7.0-update261 1.7.0-update261.x
oracle / jre 1.8.0-update251 1.8.0-update251.x
fedoraproject / fedora 31 31.x
fedoraproject / fedora 32 32.x
mcafee / epolicy_orchestrator 5.9.0 5.9.0.x
mcafee / epolicy_orchestrator 5.9.1 5.9.1.x
mcafee / epolicy_orchestrator 5.10.0-update_1 5.10.0-update_1.x
mcafee / epolicy_orchestrator 5.10.0-update_2 5.10.0-update_2.x
mcafee / epolicy_orchestrator 5.10.0-update_3 5.10.0-update_3.x
mcafee / epolicy_orchestrator 5.10.0-update_4 5.10.0-update_4.x
mcafee / epolicy_orchestrator 5.10.0-update_5 5.10.0-update_5.x
mcafee / epolicy_orchestrator 5.10.0-update_6 5.10.0-update_6.x
mcafee / epolicy_orchestrator 5.10.0 5.10.0.x
mcafee / epolicy_orchestrator 5.10.0-update_7 5.10.0-update_7.x
mcafee / epolicy_orchestrator 5.10.0-update_8 5.10.0-update_8.x
opensuse / leap 15.1 15.1.x
opensuse / leap 15.2 15.2.x
canonical / ubuntu_linux 18.04 18.04.x
canonical / ubuntu_linux 20.04 20.04.x
canonical / ubuntu_linux 16.04 16.04.x
debian / debian_linux 9.0 9.0.x
debian / debian_linux 10.0 10.0.x
netapp / e-series_santricity_os_controller 11.0.0 11.70.2.x
oracle / openjdk 13.0.1 13.0.1.x
oracle / openjdk 13 13.x
oracle / openjdk 11.0.5 11.0.5.x
oracle / openjdk 11.0.4 11.0.4.x
oracle / openjdk 11.0.3 11.0.3.x
oracle / openjdk 11.0.2 11.0.2.x
oracle / openjdk 8 8.x
oracle / openjdk 8-update102 8-update102.x
oracle / openjdk 8-update112 8-update112.x
oracle / openjdk 8-update152 8-update152.x
oracle / openjdk 11 11.x
oracle / openjdk 11.0.1 11.0.1.x
oracle / openjdk 8-update162 8-update162.x
oracle / openjdk 8-update172 8-update172.x
oracle / openjdk 8-update192 8-update192.x
oracle / openjdk 8-update20 8-update20.x
oracle / openjdk 8-update202 8-update202.x
oracle / openjdk 8-update212 8-update212.x
oracle / openjdk 7 7.x
oracle / openjdk 7-update231 7-update231.x
oracle / openjdk 7-update241 7-update241.x
oracle / openjdk 7-update251 7-update251.x
oracle / openjdk 8-update101 8-update101.x
oracle / openjdk 8-update11 8-update11.x
oracle / openjdk 8-update111 8-update111.x
oracle / openjdk 8-update121 8-update121.x
oracle / openjdk 8-update131 8-update131.x
oracle / openjdk 8-update141 8-update141.x
oracle / openjdk 8-update151 8-update151.x
oracle / openjdk 8-update161 8-update161.x
oracle / openjdk 8-update171 8-update171.x
oracle / openjdk 8-update181 8-update181.x
oracle / openjdk 8-update191 8-update191.x
oracle / openjdk 8-update201 8-update201.x
oracle / openjdk 8-update211 8-update211.x
oracle / openjdk 8-update221 8-update221.x
oracle / openjdk 8-update222 8-update222.x
oracle / openjdk 8-update231 8-update231.x
oracle / openjdk 8-update232 8-update232.x
oracle / openjdk 8-update241 8-update241.x
oracle / openjdk 8-update25 8-update25.x
oracle / openjdk 14 14.x
oracle / openjdk 7-update1 7-update1.x
oracle / openjdk 7-update10 7-update10.x
oracle / openjdk 7-update101 7-update101.x
oracle / openjdk 7-update11 7-update11.x
oracle / openjdk 7-update111 7-update111.x
oracle / openjdk 7-update121 7-update121.x
oracle / openjdk 7-update13 7-update13.x
oracle / openjdk 7-update131 7-update131.x
oracle / openjdk 7-update141 7-update141.x
oracle / openjdk 7-update15 7-update15.x
oracle / openjdk 7-update151 7-update151.x
oracle / openjdk 7-update161 7-update161.x
oracle / openjdk 7-update17 7-update17.x
oracle / openjdk 7-update171 7-update171.x
oracle / openjdk 7-update181 7-update181.x
oracle / openjdk 7-update191 7-update191.x
oracle / openjdk 7-update2 7-update2.x
oracle / openjdk 7-update201 7-update201.x
oracle / openjdk 7-update21 7-update21.x
oracle / openjdk 7-update211 7-update211.x
oracle / openjdk 7-update221 7-update221.x
oracle / openjdk 7-update25 7-update25.x
oracle / openjdk 7-update261 7-update261.x
oracle / openjdk 8-milestone1 8-milestone1.x
oracle / openjdk 8-milestone2 8-milestone2.x
oracle / openjdk 8-milestone3 8-milestone3.x
oracle / openjdk 8-milestone4 8-milestone4.x
oracle / openjdk 8-milestone5 8-milestone5.x
oracle / openjdk 8-milestone6 8-milestone6.x
oracle / openjdk 8-milestone7 8-milestone7.x
oracle / openjdk 8-milestone8 8-milestone8.x
oracle / openjdk 8-milestone9 8-milestone9.x
oracle / openjdk 8-update242 8-update242.x
oracle / openjdk 8-update252 8-update252.x
oracle / openjdk 11.0.6 11.0.6.x
oracle / openjdk 11.0.7 11.0.7.x
oracle / openjdk 13.0.2 13.0.2.x
oracle / openjdk 13.0.3 13.0.3.x
oracle / jre 1.7.0-update261 1.7.0-update261.x
oracle / jre 11.0.7 11.0.7.x
oracle / jre 14.0.1 14.0.1.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.