CVE-2021-34575

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In MB connect line mymbCONNECT24, mbCONNECT24 in versions <= 2.8.0 an unauthenticated user can enumerate valid users by checking what kind of response the server sends.

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

Affected software

No affected versions have been published.

Timeline

Published
Aug 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-345764.3In Kaden PICOFLUX Air in all known versions an information exposure through observable discrepancy exists. This may give sensitive informatiCVE-2021-345776.5In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while beingCVE-2021-345788.1This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically CVE-2021-345797.5In Phoenix Contact: FL MGUARD DM version 1.12.0 and 1.13.0 access to the Apache web server being installed as part of the FL MGUARD DM on MiCVE-2021-34584.6The Motorola MM1000 device configuration portal can be accessed without authentication, which could allow adapter settings to be modified.CVE-2021-345807.5In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the serveCVE-2021-345817.5Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-8CVE-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) throughCVE-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 crashCVE-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 crasCVE-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 checkCVE-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-2021-34575: High severity, CVSS 7.5 | Vulnix