How severe is CVE-2021-23416?

CVE-2021-23416 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-23416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23416?

CVE-2021-23416 affects Curly-bracket-parser Project Curly-bracket-parser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23416?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23416 published?

CVE-2021-23416 was published on 2021-07-28 and last updated on 2026-06-17.

CVE-2021-23416

CVE-2021-23416 is a medium-severity vulnerability in Curly-bracket-parser Project Curly-bracket-parser with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Curly-bracket-parser Project Curly-bracket-parser
Published: 2021-07-28
Last modified: 2026-06-17

Description

This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.

Frequently asked questions

What is CVE-2021-23416?: This affects all versions of package curly-bracket-parser. When used as a template library, it does not properly sanitize the user input.
How severe is CVE-2021-23416?: CVE-2021-23416 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-23416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23416?: CVE-2021-23416 affects Curly-bracket-parser Project Curly-bracket-parser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23416 published?: CVE-2021-23416 was published on 2021-07-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:curly-bracket-parser_project:curly-bracket-parser:*:*:*:*:*:node.js:*:*

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