How severe is CVE-2020-27543?

CVE-2020-27543 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-2020-27543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27543?

CVE-2020-27543 affects Restify-paginate Project Restify-paginate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27543?

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-2020-27543 published?

CVE-2020-27543 was published on 2021-02-25 and last updated on 2026-06-17.

CVE-2020-27543

CVE-2020-27543 is a high-severity vulnerability in Restify-paginate Project Restify-paginate 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-755.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Restify-paginate Project Restify-paginate
Published: 2021-02-25
Last modified: 2026-06-17

Description

The restify-paginate package 0.0.5 for Node.js allows remote attackers to cause a Denial-of-Service by omitting the HTTP Host header. A Restify-based web service would crash with an uncaught exception.

Frequently asked questions

What is CVE-2020-27543?: The restify-paginate package 0.0.5 for Node.js allows remote attackers to cause a Denial-of-Service by omitting the HTTP Host header. A Restify-based web service would crash with an uncaught exception.
How severe is CVE-2020-27543?: CVE-2020-27543 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-2020-27543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27543?: CVE-2020-27543 affects Restify-paginate Project Restify-paginate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27543?: 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-2020-27543 published?: CVE-2020-27543 was published on 2021-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:restify-paginate_project:restify-paginate:0.0.5:*:*:*:*:node.js:*:*

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