Is CVE-2009-1879 in the CISA KEV catalog?

No. CVE-2009-1879 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1879?

CVE-2009-1879 has a CVSS v2 base score of 2.6 (LOW).

What is the EPSS score for CVE-2009-1879?

CVE-2009-1879 has an EPSS score of 8.25% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-1879?

Upgrade flex sdk to 3.4 or later.

CVE & CISA-KEV Catalog

CVE-2009-1879

LOWEPSS 94th pctl

2.6

CVSS v2

NVD

Description

Cross-site scripting (XSS) vulnerability in index.template.html in the express-install templates in the SDK in Adobe Flex before 3.4, when the installed Flash version is older than a specified requiredMajorVersion value, allows remote attackers to inject arbitrary web script or HTML via the query string.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

flex sdkNVD

Affected:< 3.4Fixed in:3.4CVE-2009-1879derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.25%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

adobe.com

Exploit1

gdssecurity.com

Vendor Advisory1

secunia.com

Third-Party Advisory2

VDB Entry1

exchange.xforce.ibmcloud.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2009-1879

Markdown

[![CVE-2009-1879](https://tridentstack.com/cve/badge/CVE-2009-1879.svg)](https://tridentstack.com/cve/CVE-2009-1879)

HTML

<a href="https://tridentstack.com/cve/CVE-2009-1879"><img src="https://tridentstack.com/cve/badge/CVE-2009-1879.svg" alt="CVE-2009-1879"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.