B426 Credential Disclosure
Priority LOW 38CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
When using http protocol, the user password is transmitted as a clear text parameter for which it is possible to be obtained by an attacker through a MITM attack. This will be fixed starting from Firmware version 3.11.5, which will be released on the 30th of June, 2021.
Why it matters now
EPSS 0.00469 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bosch | B426 Firmware | 03.01.0004; 03.02.002; 03.05.0003; 03.03.0009 | — | No fix listed | CNA |
- B426 Firmware VendorBosch Affected 03.01.0004; 03.02.002; 03.05.0003; 03.03.0009 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:bosch:b426_firmware:03.01.0004:*:*:*:*:*:*:* | 03.01.0004 | Vulnerable | Bosch |
| cpe:2.3:o:bosch:b426_firmware:03.02.002:*:*:*:*:*:*:* | 03.02.002 | Vulnerable | Bosch |
| cpe:2.3:o:bosch:b426_firmware:03.03.0009:*:*:*:*:*:*:* | 03.03.0009 | Vulnerable | Bosch |
| cpe:2.3:o:bosch:b426_firmware:03.05.0003:*:*:*:*:*:*:* | 03.05.0003 | Vulnerable | Bosch |
| cpe:2.3:h:bosch:b426:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
- cpe:2.3:o:bosch:b426_firmware:03.01.0004:*:*:*:*:*:*:* Versions 03.01.0004 Vulnerable ·Bosch
- cpe:2.3:o:bosch:b426_firmware:03.02.002:*:*:*:*:*:*:* Versions 03.02.002 Vulnerable ·Bosch
- cpe:2.3:o:bosch:b426_firmware:03.03.0009:*:*:*:*:*:*:* Versions 03.03.0009 Vulnerable ·Bosch
- cpe:2.3:o:bosch:b426_firmware:03.05.0003:*:*:*:*:*:*:* Versions 03.05.0003 Vulnerable ·Bosch
- cpe:2.3:h:bosch:b426:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23846
- 2026-10-03 Alias added: GHSA-6g22-rpp3-9gm7
References
More Bosch B426 Firmware vulnerabilities
- TI-2021-06208 B426 Web Configuration Authentication Bypass CVSS 3.1HIGH 8.8
Sources
- CVE-2021-23846 · CVE Program
- CVE-2021-23846 · NVD
- FIRST EPSS
- GHSA-6g22-rpp3-9gm7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences