CVE-2008-5355
CWE-287Published: December 5, 2008· Updated: Jun 16, 2026
Official Description
The "Java Update" feature for Java Runtime Environment (JRE) for Sun JDK and JRE 6 Update 10 and earlier; JDK and JRE 5.0 Update 16 and earlier; and SDK and JRE 1.4.2_18 and earlier does not verify the signature of the JRE that is downloaded, which allows remote attackers to execute arbitrary code via DNS man-in-the-middle attacks.
Technical Analysis
CVE-2008-5355 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (20)
Quick Facts
Related CVEs (CWE-287)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-5355 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts