MEDIUM
CVE-2021-32067
CWE-116Published: August 13, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
The MiCollab Client Service component in Mitel MiCollab before 9.3 could allow an attacker to view sensitive system information through an HTTP response due to insufficient output sanitization.
Technical Analysis
CVE-2021-32067 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Vendors & Products
mitel1 product(s)
micollab
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://www.mitel.com/support/security-advisoriesVendor Advisory
→
→
https://www.mitel.com/support/security-advisoriesVendor Advisory
Quick Facts
CVE IDCVE-2021-32067
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-116
CISA KEVNo
Affected1 vendor(s)
PublishedAug 13, 2021
Related CVEs (CWE-116)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-32067 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.