CVE-2020-11798

Exp

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.

Published: 2020-06-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-11798 is rated High Exploit Risk (76/100): CVSS Medium severity, with high exploitation likelihood (EPSS 84.93%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +6.82% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-11798

EDB-ID Source Kind Published Link
51308 exploit_db edb 2023-04-06 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-11798

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-29 78.11% 84.93% +6.82%
2 2026-04-07 80.05% 78.11% -1.94%
3 2026-03-30 — 80.05% —

Full EPSS history (38 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-11798

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-11798

Affected software / configurations for CVE-2020-11798

Vendor Product Version Raw CPE
mitel micollab_audio\,_web_\&_video_conferencing < 8.1.2.4 cpe:2.3:a:mitel:micollab_audio\,_web_\&_video_conferencing:*:*:*:*:*:*:*:*
mitel micollab_audio\,_web_\&_video_conferencing >= 9.0, < 9.1.3 cpe:2.3:a:mitel:micollab_audio\,_web_\&_video_conferencing:*:*:*:*:*:*:*:*

References for CVE-2020-11798

cvelogic Threat Intelligence