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CVE-2015-5236

19
FAUCET Score

CVE-2015-5236 describes a Same Origin Policy (SOP) bypass vulnerability in IcedTea-Web, where the codebase attribute of an HTML applet tag could be manipulated to spoof the applet's origin. This allowed malicious websites to bypass SOP restrictions, potentially leading to unauthorized data access. The vulnerability is rated as High severity (CVSS 7.5), indicating a network-based attack with low complexity and high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:icedtea-web_project:icedtea-web:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: icedtea-web
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: icedtea-web

Vendor Advisories (1)

redhatCVE-2015-5236Moderate

icedtea-web: SOP checks based on codebase and not applet origin

Nov 11, 2021

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party Advisory