How severe is CVE-2020-12043?

CVE-2020-12043 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12043?

CVE-2020-12043 affects Baxter Sigma Spectrum Infusion System Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12043?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-12043 published?

CVE-2020-12043 was published on 2020-06-29 and last updated on 2026-06-17.

CVE-2020-12043

CVE-2020-12043 is a critical-severity vulnerability in Baxter Sigma Spectrum Infusion System Firmware with a CVSS 3.x base score of 9.8. 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-672.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-672
Affected product: Baxter Sigma Spectrum Infusion System Firmware
Published: 2020-06-29
Last modified: 2026-06-17

Description

The Baxter Spectrum WBM (v17, v20D29, v20D30, v20D31, and v22D24) when configured for wireless networking the FTP service operating on the WBM remains operational until the WBM is rebooted.

Frequently asked questions

What is CVE-2020-12043?: The Baxter Spectrum WBM (v17, v20D29, v20D30, v20D31, and v22D24) when configured for wireless networking the FTP service operating on the WBM remains operational until the WBM is rebooted.
How severe is CVE-2020-12043?: CVE-2020-12043 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12043?: CVE-2020-12043 affects Baxter Sigma Spectrum Infusion System Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-12043 published?: CVE-2020-12043 was published on 2020-06-29 and last updated on 2026-06-17.

References

https://www.us-cert.gov/ics/advisories/icsma-20-170-04

Affected products (1)

cpe:2.3:o:baxter:sigma_spectrum_infusion_system_firmware:8.0:*:*:*:*:*:*:*

More vulnerabilities in Baxter Sigma Spectrum Infusion System Firmware

CVE-2020-12047 — Critical (CVSS 9.8): The Baxter Spectrum WBM (v17, v20D29, v20D30, v20D31, and v22D24), when used with a Baxter Spectrum v8.x (model…
CVE-2020-12045 — Critical (CVSS 9.8): The Baxter Spectrum WBM (v17, v20D29, v20D30, v20D31, and v22D24) when used in conjunction with a Baxter Spectrum v8.x…
CVE-2020-12040 — Critical (CVSS 9.8): Sigma Spectrum Infusion System v's6.x (model 35700BAX) and Baxter Spectrum Infusion System Version(s) 8.x (model…
CVE-2014-5433 — Critical (CVSS 9.8): An unauthenticated remote attacker may be able to execute commands to view wireless account credentials that are stored…
CVE-2014-5432 — Critical (CVSS 9.8): Baxter SIGMA Spectrum Infusion System version 6.05 (model 35700BAX) with wireless battery module (WBM) version 16 is…
CVE-2014-5434 — Critical (CVSS 9.8): Baxter SIGMA Spectrum Infusion System version 6.05 (model 35700BAX) with wireless battery module (WBM) version 16 has a…

All CVEs affecting Baxter Sigma Spectrum Infusion System Firmware →

Other CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities

CVE-2023-41094 — Critical (CVSS 10.0): TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing…
CVE-2020-24030 — Critical (CVSS 9.8): ForLogic Qualiex v1 and v3 has weak token expiration. This allows remote unauthenticated privilege escalation and…
CVE-2019-17638 — Critical (CVSS 9.4): In Eclipse Jetty, versions 9.4.27.v20200227 to 9.4.29.v20200521, in case of too large response headers, Jetty throws an…
CVE-2013-10075 — Critical (CVSS 9.1): Apache::Session versions through 1.94 for Perl re-creates deleted sessions. The session stores…
CVE-2022-22755 — High (CVSS 8.8): By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute…
CVE-2021-23995 — High (CVSS 8.8): When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with…

Browse all CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities →