Vulnerability Database

383,426

Total vulnerabilities in the database

CVE-2006-6745 — sun / j2se

Multiple unspecified vulnerabilities in Sun Java Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 7 and earlier, and Java System Development Kit (SDK) and JRE 1.4.2_12 and earlier 1.4.x versions, allow attackers to develop Java applets or applications that are able to gain privileges, related to serialization in JRE.

  • Published: Dec 26, 2006
  • Updated: Sep 13, 2026
  • CVE: CVE-2006-6745
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v2:

  • Severity: High
  • Score: 9.3
  • AV:N/AC:M/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.

Software Affected versions
sun / j2se = 1.4
sun / j2se = 1.4.1
sun / j2se = 1.4.2
sun / j2se = 1.4.2_01
sun / j2se = 1.4.2_02
sun / j2se = 1.4.2_03
sun / j2se = 1.4.2_04
sun / j2se = 1.4.2_05
sun / j2se = 1.4.2_06
sun / j2se = 1.4.2_07
sun / j2se = 1.4.2_08
sun / j2se = 1.4.2_09
sun / j2se = 1.4.2_10
sun / j2se = 1.4.2_11
sun / j2se = 1.4.2_12
sun / j2se = 5.0
sun / j2se = 5.0_update1
sun / j2se = 5.0_update2
sun / j2se = 5.0_update3
sun / j2se = 5.0_update4
sun / j2se = 5.0_update5
sun / j2se = 5.0_update6
sun / j2se = 5.0_update7
sun / jre = 1.4.1
sun / jre = 1.4.2
sun / jre = 1.4.2_1
sun / jre = 1.4.2_2
sun / jre = 1.4.2_3
sun / jre = 1.4.2_4
sun / jre = 1.4.2_5
sun / jre = 1.4.2_6
sun / jre = 1.4.2_7
sun / jre = 1.4.2_8
sun / jre = 1.4.2_9
sun / jre = 1.4.2_10
sun / jre = 1.4.2_11
sun / jre = 1.4.2_12
sun / jre = 1.4.2_13
sun / jre = 1.5.0
sun / jre = 1.5.0-update1
sun / jre = 1.5.0-update2
sun / jre = 1.5.0-update3
sun / jre = 1.5.0-update4
sun / jre = 1.5.0-update5
sun / jre = 1.5.0-update6
sun / jre = 1.5.0-update7

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.