How severe is CVE-2020-13582?

CVE-2020-13582 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 none, integrity none, and availability high.

Is CVE-2020-13582 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13582?

CVE-2020-13582 affects Silabs Micrium Uc-http. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13582?

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-2020-13582 published?

CVE-2020-13582 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2020-13582

CVE-2020-13582 is a high-severity vulnerability in Silabs Micrium Uc-http 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Silabs Micrium Uc-http
Published: 2021-01-26
Last modified: 2026-06-17

Description

A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2020-13582?: A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
How severe is CVE-2020-13582?: CVE-2020-13582 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 none, integrity none, and availability high.
Is CVE-2020-13582 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13582?: CVE-2020-13582 affects Silabs Micrium Uc-http. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13582?: 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-2020-13582 published?: CVE-2020-13582 was published on 2021-01-26 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1193

Affected products (1)

cpe:2.3:a:silabs:micrium_uc-http:3.01.00:*:*:*:*:*:*:*

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