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CVE-2014-0503

18
FAUCET Score

CVE-2014-0503 describes a Same Origin Policy bypass vulnerability in Adobe Flash Player versions prior to 11.7.700.272 and 12.0.0.77 on Windows and OS X, and before 11.2.202.346 on Linux. This flaw, rated with a CVSS score of 6.4, allows remote attackers to potentially access sensitive information or manipulate content across different origins, impacting confidentiality and integrity. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, the vulnerability received some community discussion and media coverage at the time of its disclosure. It is not listed in CISA's KEV catalog and is considered inactive on the Hot List.

Impacted Technologies

VendorProductVersion(s)CPE
>= 11.0, < 11.2.202.346CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
>= 11.0, < 11.7.700.272CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
>= 11.8, < 12.0.0.77CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.29%
Probability of exploitation in next 30 days
EPSS Percentile
90.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0429 is in the 87th percentile among its peer group of 23,723 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

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

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: flash-plugin-0:11.2.202.346-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: flash-plugin-0:11.2.202.346-1.el6
View patch
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-0503Moderate

flash-plugin: same origin policy bypass (APSB14-08)

Mar 11, 2014

References

helpx.adobe.com / security/products/flash-player/apsb14-08.html
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2014-03/msg00013.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-03/msg00014.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2014-0289.html
Third Party Advisory
security.gentoo.org / glsa/glsa-201405-04.xml
Third Party Advisory