CVE-2021-27408
CVE-2021-27408 is a high-severity vulnerability in Hillrom Connex Central Station with a CVSS 3.x base score of 7.5. 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-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Hillrom Connex Central Station
- Published:
- Last modified:
Description
The affected product is vulnerable to an out-of-bounds read, which can cause information leakage leading to arbitrary code execution if chained to the out-of-bounds write vulnerability on the Welch Allyn medical device management tools (Welch Allyn Service Tool: versions prior to v1.10, Welch Allyn Connex Device Integration Suite – Network Connectivity Engine (NCE): versions prior to v5.3, Welch Allyn Software Development Kit (SDK): versions prior to v3.2, Welch Allyn Connex Central Station (CS): versions prior to v1.8.6, Welch Allyn Service Monitor: versions prior to v1.7.0.0, Welch Allyn Connex Vital Signs Monitor (CVSM): versions prior to v2.43.02, Welch Allyn Connex Integrated Wall System (CIWS): versions prior to v2.43.02, Welch Allyn Connex Spot Monitor (CSM): versions prior to v1.52, Welch Allyn Spot Vital Signs 4400 Device (Spot 4400) / Welch Allyn Spot 4400 Vital Signs Extended Care Device: versions prior to v1.11.00).
Frequently asked questions
- What is CVE-2021-27408?
- The affected product is vulnerable to an out-of-bounds read, which can cause information leakage leading to arbitrary code execution if chained to the out-of-bounds write vulnerability on the Welch Allyn medical device management tools (Welch Allyn Service Tool: versions prior to v1.10, Welch Allyn Connex Device Integration Suite – Network Connectivity Engine (NCE): versions prior to v5.3, Welch Allyn Software Development Kit (SDK): versions prior to v3.2, Welch Allyn Connex Central Station (CS): versions prior to v1.8.6, Welch Allyn Service Monitor: versions prior to v1.7.0.0, Welch Allyn Connex Vital Signs Monitor (CVSM): versions prior to v2.43.02, Welch Allyn Connex Integrated Wall System (CIWS): versions prior to v2.43.02, Welch Allyn Connex Spot Monitor (CSM): versions prior to v1.52, Welch Allyn Spot Vital Signs 4400 Device (Spot 4400) / Welch Allyn Spot 4400 Vital Signs Extended Care Device: versions prior to v1.11.00).
- How severe is CVE-2021-27408?
- CVE-2021-27408 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-27408 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27408?
- CVE-2021-27408 primarily affects Hillrom Connex Central Station. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-27408?
- 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-2021-27408 published?
- CVE-2021-27408 was published on 2021-06-11 and last updated on 2026-06-17.
References
Affected products (10)
- cpe:2.3:a:hillrom:connex_central_station:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:connex_device_integration_suite_network_connectivity_engine:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:connex_integrated_wall_system:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:connex_spot_monitor:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:connex_vital_signs_monitor:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:service_monitor:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:service_tool:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:software_development_kit:*:*:*:*:*:*:*:*
- cpe:2.3:a:hillrom:spot_vital_signs_4400:*:*:*:*:-:*:*:*
- cpe:2.3:a:hillrom:spot_vital_signs_4400:*:*:*:*:extended_care:*:*:*
More vulnerabilities in Hillrom Connex Central Station
- CVE-2021-27410 — Critical (CVSS 9.8): The affected product is vulnerable to an out-of-bounds write, which may result in corruption of data or code execution…
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