How severe is CVE-2021-23328?

CVE-2021-23328 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-23328 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23328?

CVE-2021-23328 affects Iniparserjs Project Iniparserjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23328?

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

When was CVE-2021-23328 published?

CVE-2021-23328 was published on 2021-01-29 and last updated on 2026-06-17.

CVE-2021-23328

CVE-2021-23328 is a medium-severity vulnerability in Iniparserjs Project Iniparserjs with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 6.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Iniparserjs Project Iniparserjs
Published: 2021-01-29
Last modified: 2026-06-17

Description

This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

Frequently asked questions

What is CVE-2021-23328?: This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
How severe is CVE-2021-23328?: CVE-2021-23328 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-23328 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23328?: CVE-2021-23328 affects Iniparserjs Project Iniparserjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23328?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23328 published?: CVE-2021-23328 was published on 2021-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iniparserjs_project:iniparserjs:*:*:*:*:*:node.js:*:*