CVE-2022-47648
CVE-2022-47648 is a high-severity vulnerability in Bosch B420 Firmware with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-290
- Affected product: Bosch B420 Firmware
- Published:
- Last modified:
Description
An Improper Access Control vulnerability allows an attacker to access the control panel of the B420 without requiring any sort of authorization or authentication due to the IP based authorization. If an authorized user has accessed a publicly available B420 product using valid credentials, an insider attacker can gain access to the same panel without requiring any sort of authorization. The B420 module was already obsolete at the time this vulnerability was found (The End of Life announcement was made in 2013).
Frequently asked questions
- What is CVE-2022-47648?
- An Improper Access Control vulnerability allows an attacker to access the control panel of the B420 without requiring any sort of authorization or authentication due to the IP based authorization. If an authorized user has accessed a publicly available B420 product using valid credentials, an insider attacker can gain access to the same panel without requiring any sort of authorization. The B420 module was already obsolete at the time this vulnerability was found (The End of Life announcement was made in 2013).
- How severe is CVE-2022-47648?
- CVE-2022-47648 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
- Is CVE-2022-47648 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-47648?
- CVE-2022-47648 affects Bosch B420 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-47648?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-47648 published?
- CVE-2022-47648 was published on 2023-02-08 and last updated on 2026-06-17.
References
- https://drive.google.com/drive/folders/16jvVFyp9RlHvXvq7qbOCjCs1jiAPT3i_?usp=sharing
- https://pastebin.com/raw/0CGTpiEn
- https://psirt.bosch.com/security-advisories/BOSCH-SA-341298-BT.html
Affected products (1)
- cpe:2.3:o:bosch:b420_firmware:02.02.0001:*:*:*:*:*:*:*
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