How severe is CVE-2020-20665?

CVE-2020-20665 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-2020-20665 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-20665?

CVE-2020-20665 affects Rudp Project Rudp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-20665?

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-2020-20665 published?

CVE-2020-20665 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2020-20665

CVE-2020-20665 is a high-severity vulnerability in Rudp Project Rudp 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-401.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-401
Affected product: Rudp Project Rudp
Published: 2021-09-30
Last modified: 2026-06-17

Description

rudp v0.6 was discovered to contain a memory leak in the component main.c.

Frequently asked questions

What is CVE-2020-20665?: rudp v0.6 was discovered to contain a memory leak in the component main.c.
How severe is CVE-2020-20665?: CVE-2020-20665 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-2020-20665 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20665?: CVE-2020-20665 affects Rudp Project Rudp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20665?: 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-2020-20665 published?: CVE-2020-20665 was published on 2021-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rudp_project:rudp:0.6:*:*:*:*:*:*:*

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