How severe is CVE-2021-43355?

CVE-2021-43355 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-43355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43355?

CVE-2021-43355 primarily affects Fresenius-kabi Agilia Partner Maintenance Software. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43355?

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-2021-43355 published?

CVE-2021-43355 was published on 2022-01-21 and last updated on 2026-06-17.

CVE-2021-43355

CVE-2021-43355 is a high-severity vulnerability in Fresenius-kabi Agilia Partner Maintenance Software with a CVSS 3.x base score of 7.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Fresenius-kabi Agilia Partner Maintenance Software
Published: 2022-01-21
Last modified: 2026-06-17

Description

Fresenius Kabi Vigilant Software Suite (Mastermed Dashboard) version 2.0.1.3 allows user input to be validated on the client side without authentication by the server. The server should not rely on the correctness of the data because users might not support or block JavaScript or intentionally bypass the client-side checks. An attacker with knowledge of the service user could circumvent the client-side control and login with service privileges.

Frequently asked questions

What is CVE-2021-43355?: Fresenius Kabi Vigilant Software Suite (Mastermed Dashboard) version 2.0.1.3 allows user input to be validated on the client side without authentication by the server. The server should not rely on the correctness of the data because users might not support or block JavaScript or intentionally bypass the client-side checks. An attacker with knowledge of the service user could circumvent the client-side control and login with service privileges.
How severe is CVE-2021-43355?: CVE-2021-43355 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-43355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43355?: CVE-2021-43355 primarily affects Fresenius-kabi Agilia Partner Maintenance Software. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43355?: 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-2021-43355 published?: CVE-2021-43355 was published on 2022-01-21 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsma-21-355-01

Affected products (8)

cpe:2.3:a:fresenius-kabi:agilia_partner_maintenance_software:*:*:*:*:*:*:*:*
cpe:2.3:a:fresenius-kabi:vigilant_centerium:1.0:*:*:*:*:*:*:*
cpe:2.3:a:fresenius-kabi:vigilant_insight:1.0:*:*:*:*:*:*:*
cpe:2.3:a:fresenius-kabi:vigilant_mastermed:1.0:*:*:*:*:*:*:*
cpe:2.3:o:fresenius-kabi:agilia_connect_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fresenius-kabi:link\+_agilia_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fresenius-kabi:link\+_agilia_firmware:3.0:-:*:*:*:*:*:*
cpe:2.3:o:fresenius-kabi:link\+_agilia_firmware:3.0:d15:*:*:*:*:*:*

More vulnerabilities in Fresenius-kabi Agilia Partner Maintenance Software

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CVE-2021-41835 — High (CVSS 7.3): Fresenius Kabi Agilia Link + version 3.0 does not enforce transport layer encryption. Therefore, transmitted data may…
CVE-2021-23233 — High (CVSS 7.3): Sensitive endpoints in Fresenius Kabi Agilia Link+ v3.0 and prior can be accessed without any authentication…
CVE-2021-23196 — High (CVSS 7.3): The web application on Agilia Link+ version 3.0 implements authentication and session management mechanisms exclusively…
CVE-2021-31562 — Medium (CVSS 6.5): The SSL/TLS configuration of Fresenius Kabi Agilia Link + version 3.0 has serious deficiencies that may allow an…
CVE-2021-23207 — Medium (CVSS 6.5): An attacker with physical access to the host can extract the secrets from the registry and create valid JWT tokens for…

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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