Sun Java Web Start in JDK and JRE 5.0 Update 10 and earlier, and Java Web Start in SDK and JRE 1.4.2_13 and earlier, allows remote attackers to perform unauthorized actions via an application that grants privileges to itself, related to "Incorrect Use of System Classes" and probably related to support for JNLP files.
Conclusion & alert: CVE-2007-2435 is rated High Risk (72.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.96%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.71% | 4.96% | +0.25% |
| 2 | 2026-05-26 | 3.66% | 4.71% | +1.05% |
| 3 | 2026-03-26 | — | 3.66% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2007-2435: 3 GLSA(s) (200705-23, 200706-08, 200804-20), 3 atom(s) (app-emulation/emul-linux-x86-java, dev-java/sun-jdk, dev-java/sun-jre-bin); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2435 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2007-2435 |
ubuntu
|
medium | CVE-2007-2435 medium priority: Ubuntu including 1 source packages (sun-java5), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, ignored 2, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2007-2435 |
: The vendor has addressed this issue through product updates that can be found at: http://sunsolve.sun.com/search/document.do?assetkey=1-26-102881-1