CVE-2020-27543: The restify-paginate package 0.0.5 for Node.js allows remote attackers to cause a Denial-of-Service by omittin

Q: How do I fix CVE-2020-27543?

restify-paginate: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2020-27543 being exploited?

CVE-2020-27543 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-27543 affect?

CVE-2020-27543 affects restify-paginate. Severity is high (CVSS 7.5). 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.

Q: How urgent is CVE-2020-27543?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2020-27543 is a high-severity flaw (CVSS 7.5) affecting restify-paginate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-755
Published	2021-02-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: restify-paginate project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-25 17:15 UTCPublished CVE record published
2026-06-17 03:09 UTCUpdated Record last modified

restify-paginate project restify-paginate DOWNGRADE

Affected: 0.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.5

1. Check installed version

npm ls restify-paginate

2. No fixed release: DOWNGRADE to a release before 0.0.5

npm view restify-paginate versions npm install restify-paginate@"<0.0.5"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-27543?

restify-paginate: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-27543 being exploited?

CVE-2020-27543 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-27543 affect?

CVE-2020-27543 affects restify-paginate. Severity is high (CVSS 7.5). 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 urgent is CVE-2020-27543?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

References

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