How severe is CVE-2014-0509?

CVE-2014-0509 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-0509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0509?

CVE-2014-0509 primarily affects Adobe Flash Player. In total, 159 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0509?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0509 published?

CVE-2014-0509 was published on 2014-04-08 and last updated on 2026-06-17.

CVE-2014-0509

CVE-2014-0509 is a medium-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adobe Flash Player
Published: 2014-04-08
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 11.7.700.275 and 11.8.x through 13.0.x before 13.0.0.182 on Windows and OS X and before 11.2.202.350 on Linux, Adobe AIR before 13.0.0.83 on Android, Adobe AIR SDK before 13.0.0.83, and Adobe AIR SDK & Compiler before 13.0.0.83 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2014-0509?: Cross-site scripting (XSS) vulnerability in Adobe Flash Player before 11.7.700.275 and 11.8.x through 13.0.x before 13.0.0.182 on Windows and OS X and before 11.2.202.350 on Linux, Adobe AIR before 13.0.0.83 on Android, Adobe AIR SDK before 13.0.0.83, and Adobe AIR SDK & Compiler before 13.0.0.83 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2014-0509?: CVE-2014-0509 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-0509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0509?: CVE-2014-0509 primarily affects Adobe Flash Player. In total, 159 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0509 published?: CVE-2014-0509 was published on 2014-04-08 and last updated on 2026-06-17.

References

Affected products (159)

cpe:2.3:a:adobe:flash_player:11.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.0.1.152:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.0.1.153:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.102.55:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.102.59:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.102.62:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.102.63:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.111.8:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.111.44:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.111.50:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.111.54:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.115.7:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.115.34:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.115.48:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.115.54:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.1.115.58:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.223:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.228:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.233:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.235:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.236:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.238:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.243:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.251:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.258:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.261:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.262:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.270:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.273:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.275:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.280:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.2.202.285:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.257:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.262:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.265:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.268:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.270:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.271:*:*:*:*:*:*:*
cpe:2.3:a:adobe:flash_player:11.3.300.273:*:*:*:*:*:*:*

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