CVE-2020-28462

CVE-2020-28462 is a high-severity vulnerability in Ion-parser Project Ion-parser with a CVSS 3.x base score of 7.3. 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-1321.

Key facts

Description

This affects all versions of package ion-parser. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further depending on the context.

Frequently asked questions

What is CVE-2020-28462?
This affects all versions of package ion-parser. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further depending on the context.
How severe is CVE-2020-28462?
CVE-2020-28462 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-28462 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-2020-28462?
CVE-2020-28462 affects Ion-parser Project Ion-parser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28462?
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-2020-28462 published?
CVE-2020-28462 was published on 2022-07-25 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-1321 (Prototype Pollution) vulnerabilities

Browse all CWE-1321 (Prototype Pollution) vulnerabilities →