CVE-2022-43557: bd bodyguard_121_twins_firmware
Vulnerability summary
CVE-2022-43557 is a medium (CVSS 5.3) vulnerability in bd bodyguard_121_twins_firmware. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.
Timeline
- 05-12-2022PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
The BD BodyGuard™ infusion pumps specified allow for access through the RS-232 (serial) port interface. If exploited, threat actors with physical access, specialized equipment and knowledge may be able to configure or disable the pump. No electronic protected health information (ePHI), protected health information (PHI) or personally identifiable information (PII) is stored in the pump.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1299Missing Protection Mechanism for Alternate Hardware InterfaceThe lack of protections on alternate paths to access control-protected assets (such as unprotected shadow registers and other external facing unguarded interfaces) allows an attacker to bypass existing protections to the asset that are only performed against the primary path.
- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected systems
Bd7 products
- bodyguard_121_twins_firmwarena
- bodyguard_323_colorvision_firmwarena
- bodyguard_999-603_firmwarena
- bodyguard_duo_999-903_firmwarena
- bodyguard_epidural_999-683_firmwarena
Becton, dickinson and company (bd)1 product
- bodyguard™ pumpBD BodyGuard™ | CME BodyGuard™ 323 (2nd Edition) | CME BodyGuard™ 323 Color Vision (2nd Edition) | CME BodyGuard™ 323 Color Vision (3rd Edition) | CME BodyGuard™ Twins (2nd Edition)
2 vendors · 8 products
References
1 links- www.bd.com/en-us/about-bd/cybersecurity/bulletin/bd-bodyguard-pumps-rs-232-interface-vulnerabilityVendor AdvisoryMitigation