CVE-2023-3128

criticalpriority · attend · 50EPSS 0.040 · 90 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

4.00% (90th) EPSS

CVSS 9.8 · critical

Is it mine?

45 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-23

Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedballuff_psirt
Update to the firmware version 2.4.1.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.4criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · ENISA EU

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · security@grafana.comexploitability 3.9 · impact 5.5

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Balluff PSIRT

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-290USprimaryCWE-290USCWE-290USCWE-290US

exploits (1)

Public proof-of-concept and weaponised exploit code.

spyata123/CVE-2023-3128spyata123/CVE-2023-3128PoC · poc_in_github

affected products (45)

Products and version ranges known to be affected.

Firmware 2.4.1 installed on BAV MA-NC-00025-01all versionsfixedballuff_psirtDEcpe:2.3:o:balluff_gmbh:BAV_MA-NC-00025-01_firmware:2.4.1:*:*:*:*:*:*:*
Firmware 2.4.1 installed on BNI EGW-720-007-K095all versionsfixedballuff_psirtDEcpe:2.3:o:balluff_gmbh:BNI_EGW-720-007-K095_firmware:2.4.1:*:*:*:*:*:*:*
Firmware <2.4.1 installed on BAV MA-NC-00025-01all versionsballuff_psirtDEcpe:2.3:o:balluff_gmbh:BAV_MA-NC-00025-01_firmware:*:*:*:*:*:*:*:*
Firmware <2.4.1 installed on BNI EGW-720-007-K095all versionsballuff_psirtDEcpe:2.3:o:balluff_gmbh:BNI_EGW-720-007-K095_firmware:*:*:*:*:*:*:*:*
Hitachi Ops Center <Analyzer 10.9.3-00all versionscert_bundDE
Hitachi Ops Center <Viewpoint 10.9.3-00all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE Managerall versionscert_bundDEcpe:/a:suse:manager:-
SUSE Manager Client Tools for SLE 12all versionscert_bundDEcpe:/a:suse:manager:client_tools_for_sle_12
Hitachi Ops Center< Analyzer 10.9.3-00cert_bundDE
Hitachi Ops Center< Viewpoint 10.9.3-00cert_bundDE
Grafana Grafana6.7.0 → 8.5.27enisa_euvdEU
Grafana Grafana9.2.0 → 9.2.20enisa_euvdEU
Grafana Grafana9.3.0 → 9.3.16enisa_euvdEU
Grafana Grafana9.4.0 → 9.4.13enisa_euvdEU
Grafana Grafana9.5.0 → 9.5.4enisa_euvdEU
Grafana Grafana Enterprise6.7.0 → 8.5.27enisa_euvdEU
Grafana Grafana Enterprise9.2.0 → 9.2.20enisa_euvdEU

showing 20 of 45

advisories (4)

Vendor and ecosystem advisories describing this.

VDE-2026-049Balluff GmbH: Multiple Vulnerabilities Affecting BNI EGW-720-007-K095 and BAV MA-NC-00025-012026-06-30csaf · balluff_psirtDE
Security advisory for Balluff BNI EGW-720-007-K095 and BAV MA-NC-00025-01 firmware versions prior to 2.4.1. This advisory covers multiple vulnerabilities affecting software components used by the device firmware.
WID-SEC-W-2023-1551Grafana: Schwachstelle ermöglicht Übernahme von BenutzerkontoDeutsch2023-06-22csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Grafana ausnutzen, um ein Benutzerkonto zu übernehmen.
GHSA-mpv3-g8m3-3fjcGrafana vulnerable to Authentication Bypass by Spoofing2023-06-22ghsa · osvUS
Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.
BIT-grafana-2023-31282024-03-06vendor · osvUS
Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv balluff_psirt cert_bund NVD CVE.org MITRE

published 2023-06-22modified 2026-06-17

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+884 more

references (14)

External citations — patches, advisories, analysis.

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