CVE-2021-34580

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-204 CWE-203

Affected software

No affected versions have been published.

Timeline

Published: Oct 27, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-345817.5Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-8 CVE-2021-345824.8In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through CVE-2021-345837.5Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash CVE-2021-345849.1Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a cras CVE-2021-345857.5In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not check CVE-2021-345867.5In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server a CVE-2021-345875.3In Bender/ebee Charge Controllers in multiple versions a long URL could lead to webserver crash. The URL is used as input of an sprintf to a CVE-2021-345888.6In Bender/ebee Charge Controllers in multiple versions are prone to unprotected data export. Backup export is protected via a random key. Th CVE-2021-345897.5In Bender/ebee Charge Controllers in multiple versions are prone to an RFID leak. The RFID of the last charge event can be read without auth CVE-2021-34596.8A privilege escalation vulnerability was reported in the MM1000 device configuration web server, which could allow privileged shell access a CVE-2021-345905.4In Bender/ebee Charge Controllers in multiple versions are prone to Cross-site Scripting. An authenticated attacker could write HTML Code in CVE-2021-345917.8In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation. An authenticated attacker could get root acc