How severe is CVE-2020-11676?

CVE-2020-11676 has a CVSS 3.x base score of 8.8, 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 high, integrity high, and availability high.

Is CVE-2020-11676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11676?

CVE-2020-11676 affects Cerner Medico. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11676?

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-2020-11676 published?

CVE-2020-11676 was published on 2020-04-29 and last updated on 2026-06-17.

CVE-2020-11676

CVE-2020-11676 is a high-severity vulnerability in Cerner Medico with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Cerner Medico
Published: 2020-04-29
Last modified: 2026-06-17

Description

Cerner medico 26.00 has a Local Buffer Overflow (issue 2 of 3).

Frequently asked questions

What is CVE-2020-11676?: Cerner medico 26.00 has a Local Buffer Overflow (issue 2 of 3).
How severe is CVE-2020-11676?: CVE-2020-11676 has a CVSS 3.x base score of 8.8, 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 high, integrity high, and availability high.
Is CVE-2020-11676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11676?: CVE-2020-11676 affects Cerner Medico. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11676?: 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-2020-11676 published?: CVE-2020-11676 was published on 2020-04-29 and last updated on 2026-06-17.

References

https://www.x41-dsec.de/lab/advisories/x41-2019-008-medico/

Affected products (1)

cpe:2.3:a:cerner:medico:26.00:*:*:*:*:*:*:*

More vulnerabilities in Cerner Medico

CVE-2020-11677 — High (CVSS 8.8): Cerner medico 26.00 has a Local Buffer Overflow (issue 3 of 3).
CVE-2020-11675 — High (CVSS 8.8): Cerner medico 26.00 has a Local Buffer Overflow (issue 1 of 3).
CVE-2020-11674 — High (CVSS 8.8): Cerner medico 26.00 allows variable reuse, possibly causing data corruption.

All CVEs affecting Cerner Medico →

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