HOMEVULNERABILITIESCVE-2005-3591
HIGHPOC

CVE-2005-3591

CWE-20Published: November 16, 2005· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

Macromedia Flash plugin (1) Flash.ocx 7.0.19.0 (Windows) and earlier and (2) libflashplayer.so before 7.0.25.0 (Unix) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via parameters to the ActionDefineFunction ActionScript call in a SWF file, which causes an improper memory access condition, a different vulnerability than CVE-2005-2628.

NVD Source

Technical Analysis

CVE-2005-3591 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2005-3591. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

macromedia1 product(s)
flash player
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (26)

Quick Facts

CVE IDCVE-2005-3591
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedNov 16, 2005

Related CVEs (CWE-20)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2005-3591 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.