HOMEVULNERABILITIESCVE-2021-32070
MEDIUM

CVE-2021-32070

CWE-1021Published: August 13, 2021· Updated: Jun 17, 2026

5.4
CVSS v3.1

Official Description

The MiCollab Client Service component in Mitel MiCollab before 9.3 could allow an attacker to perform a clickjacking attack due to an insecure header response. A successful exploit could allow an attacker to modify the browser header and redirect users.

NVD Source

Technical Analysis

CVE-2021-32070 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2021-32070
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-1021
CISA KEVNo
Affected1 vendor(s)
PublishedAug 13, 2021

Related CVEs (CWE-1021)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-32070 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.