CVE-2021-25827

CriticalCVSS 9.8/10Last modified Oct 24, 2026

Description

Emby Server < 4.7.12.0 is vulnerable to a login bypass attack by setting the X-Forwarded-For header to a local IP-address.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-290

Affected software

No affected versions have been published.

Timeline

Published
Jun 28, 2023
Last modified
Oct 24, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-258286.1Emby Server versions < 4.6.0.50 is vulnerable to Cross Site Scripting (XSS) vulnerability via a crafted GET request to /web.CVE-2021-258297.5An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. Using this bug, aCVE-2021-258309.8A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the cCVE-2021-258319.8A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the converCVE-2021-258329.8A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0.CVE-2021-258339.8A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlCVE-2021-258347.5Cosmos Network Ethermint <= v0.4.0 is affected by a transaction replay vulnerability in the EVM module. If the victim sends a very large nonCVE-2021-258357.5Cosmos Network Ethermint <= v0.4.0 is affected by a cross-chain transaction replay vulnerability in the EVM module. Since ethermint uses theCVE-2021-258367.5Cosmos Network Ethermint <= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction CVE-2021-258377.5Cosmos Network Ethermint <= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. Due to the inconsistency between the StorCVE-2021-258386.1The Import function in MintHCM RELEASE 3.0.8 allows an attacker to execute a cross-site scripting (XSS) payload in file-upload.CVE-2021-258399.8A weak password requirement vulnerability exists in the Create New User function of MintHCM RELEASE 3.0.8, which could lead an attacker to e
CVE-2021-25827: Critical severity, CVSS 9.8 | Vulnix