CVE-2006-4562

What it is

The proxy DNS service in Symantec Gateway Security (SGS) allows remote attackers to make arbitrary DNS queries to third-party DNS servers, while hiding the source IP address of the attacker. NOTE: another researcher has stated that the default configuration does not proxy DNS queries received on the external interface

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

1.5% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2006-09-06 00:04 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:29 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.5% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2006-09-06 00:04 UTC

Last modified

2026-06-16 22:29 UTC

Exploit probability

1.5% · EPSS, next 30 days

Record status

Modified

Affected

• Symantec Gateway Security 1.0
• Symantec Gateway Security 320
• Symantec Gateway Security 360
• Symantec Gateway Security 360r
• Symantec Gateway Security 5000_series_2.0.1
• Symantec Gateway Security 5000_series_3.0
• Symantec Gateway Security 5110
• Symantec Gateway Security 5110_1.0

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

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-2006-4562.md and follow it. Check whether this project is affected by CVE-2006-4562. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge