CVE-2009-1430

What it is

Multiple stack-based buffer overflows in IAO.EXE in the Intel Alert Originator Service in Symantec Alert Management System 2 (AMS2), as used in Symantec System Center (SSS); Symantec AntiVirus Server; Symantec AntiVirus Central Quarantine Server; Symantec AntiVirus (SAV) Corporate Edition 9 before 9.0 MR7, 10.0 and 10.1 before 10.1 MR8, and 10.2 before 10.2 MR2; Symantec Client Security (SCS) 2 before 2.0 MR7 and 3 before 3.1 MR8; and Symantec Endpoint Protection (SEP) before 11.0 MR3, allow remote attackers to execute arbitrary code via (1) a crafted packet or (2) data that ostensibly arrives from the MsgSys.exe process.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

55.1% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2009-04-24 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2009-04-29 15:30 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-16 23:07 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 55.1% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: none linked yet, which raises it.
• It meets the bar for Drop everything: critical, and exploited or very likely to be.

Details

Published

2009-04-29 15:30 UTC

Last modified

2026-06-16 23:07 UTC

Exploit probability

55.1% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Symantec Antivirus ≤ 9.0
• Symantec Antivirus ≤ 10.1
• Symantec Antivirus ≤ 10.2
• Symantec Antivirus
• Symantec Antivirus 10.0
• Symantec Antivirus 10.0.1
• Symantec Antivirus 10.0.1.1
• Symantec Antivirus 10.0.2

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-1430.md and follow it. Check whether this project is affected by CVE-2009-1430. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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