It was discovered that the IcedTea-Web used codebase attribute of the <applet> tag on the HTML page that hosts Java applet in the Same Origin Policy (SOP) checks. As the specified codebase does not have to match the applet's actual origin, this allowed malicious site to bypass SOP via spoofed codebase value.
Conclusion & alert: CVE-2015-5236 is rated Exploit Available (51.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.08%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-03-17 | 0.29% | 0.08% | -0.21% |
| 2 | 2025-02-10 | 0.17% | 0.29% | +0.13% |
| 3 | 2023-08-09 | — | 0.17% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2015-5236 unimportant priority: Debian including 1 source packages (icedtea-web), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2015-5236 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-5236 |
ubuntu
|
negligible | CVE-2015-5236 negligible priority: Ubuntu including 1 source packages (icedtea-web), 15 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 8, needs-triage 7. | https://ubuntu.com/security/CVE-2015-5236 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| icedtea-web_project | icedtea-web | — | cpe:2.3:a:icedtea-web_project:icedtea-web:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1256403 | Exploit Issue Tracking Third Party Advisory |