HOMEVULNERABILITIESCVE-2020-11798
MEDIUMPOC

CVE-2020-11798

CWE-22Published: June 10, 2020· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

A Directory Traversal vulnerability in the web conference component of Mitel MiCollab AWV before 8.1.2.4 and 9.x before 9.1.3 could allow an attacker to access arbitrary files from restricted directories of the server via a crafted URL, due to insufficient access validation. A successful exploit could allow an attacker to access sensitive information from the restricted directories.

NVD Source

Technical Analysis

CVE-2020-11798 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.

A proof-of-concept (PoC) exploit exists for CVE-2020-11798. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

mitel1 product(s)
micollab audio\, web \& video conferencing
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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

ADVISORYhttps://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdf
ADVISORYhttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005
ADVISORYhttps://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdf
ADVISORYhttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005

All References (6)

→
http://packetstormsecurity.com/files/171751/Mitel-MiCollab-AWV-8.1.2.4-9.1.3-Directory-Traversal-LFI.html
→
https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdfVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005Vendor Advisory
→
http://packetstormsecurity.com/files/171751/Mitel-MiCollab-AWV-8.1.2.4-9.1.3-Directory-Traversal-LFI.html
→
https://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin-20-0005-01.pdfVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0005Vendor Advisory

Quick Facts

CVE IDCVE-2020-11798
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJun 10, 2020

Related CVEs (CWE-22)

CVE-2009-0841
10.0
CVE-2026-54917
10.0
CVE-2025-64075
10.0
CVE-2026-39861
10.0
CVE-2026-11429
10.0
CVE-2009-1161
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-11798 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.
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