CVE-2020-36892
Eibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Eibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles. Attackers can exploit the /messagebroker/amf endpoint to elevate privileges and take over user accounts by manipulating role settings without authentication.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.05% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- eibiz/i-media server digital signage
- Source
- disclosure@vulncheck.com
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.eibiz.co.thBroken Link
- https://www.exploit-db.com/exploits/48774Exploit, Third Party Advisory, VDB Entry
- https://www.vulncheck.com/advisories/eibiz-i-media-server-digital-signage-unauthenticated-privilege-escalationThird Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.phpExploit, Third Party Advisory
- https://www.exploit-db.com/exploits/48774Exploit, Third Party Advisory, VDB Entry
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5584.phpExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.