Vulnerability · CVE-2020-36894
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object ma
Published Dec 10, 2025 · catalog updated Oct 1, 2026 · EIBIZ Co.,Ltd. i-Media Server Digital Signage
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2020-36894. EPSS is 0.80%. Act only if a listed version of EIBIZ Co.,Ltd. i-Media Server Digital Signage is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2020-36895 · High
- CVE-2020-36893 · High
- CVE-2020-36892 · Critical
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.80%
- Remediation
- Vendor / distro source
- Affected products
- vendor EIBIZ Co.,Ltd. i-Media Server Digital Signage 0 ≤3.8.0
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor EIBIZ Co.,Ltd. i-Media Server Digital Signage 0 ≤3.8.00 ≤3.8.0
How to fix CVE-2020-36894
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤3.8.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2020-36894. EPSS is 0.80%. Act only if a listed version of EIBIZ Co.,Ltd. i-Media Server Digital Signage is installed.
Which versions are affected?
Compare what you have installed with EIBIZ Co.,Ltd. i-Media Server Digital Signage 0 ≤3.8.0 0 ≤3.8.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.80%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 10, 2025 · EUVD
Detected
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.
Oct 1, 2026 · EUVD
Updated
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to create administrative users without authentication, bypassing security controls.
Sources
- CVE.orgVulnerability recordCVE-2020-36894
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-36894
30-day exploitation probability 0.80%
first.org - EUVDVulnerability recordEUVD-2020-30838
Eibiz i-Media Server Digital Signage 3.8.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to create admin users through AMF-encoded object manipulation. Attackers can send crafted serialized objects to the /messagebroker/amf endpoint to crea
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 29, 2026
- CVE.orgOct 26, 2026
- EUVDOct 26, 2026