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5.3

Mitel ST 14.2 lets attackers discover valid user IDs

CVE-2017-16250 · published 8 years ago
Summary

Versions of Mitel ST 14.2 up to release GA28 expose an API that can be used to list user IDs and their names. This makes it easier for a malicious party to identify real accounts and target them. Upgrade to the latest release or limit API access to trusted networks to mitigate the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mitel st14.2 <= ga28
cpe:2.3:a:mitel:st14.2:*:*:*:*:*:*:*:*
Original advisory text
A vulnerability in Mitel ST 14.2, release GA28 and earlier, could allow an attacker to use the API function to enumerate through user-ids which could be used to identify valid user ids and associat...
A vulnerability in Mitel ST 14.2, release GA28 and earlier, could allow an attacker to use the API function to enumerate through user-ids which could be used to identify valid user ids and associated user names.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-200Information Exposure
Timeline
Published13 Mar 2018
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2017-16250 · NVD
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