CVE-2020-28462
CWE-1321Published: July 25, 2022· Updated: Jun 17, 2026
Official 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.
Risk Analysis
The ion-parser package is susceptible to prototype pollution when parsing malicious INI files. This critical flaw can lead to further exploitation depending on the application context and carries a 9.8 CVSS score.
No public exploit is known, and it is not tracked in the CISA KEV. The vulnerability is remotely exploitable with low complexity.
Ensure that input files are strictly validated before being parsed by the library.
Technical Analysis
CVE-2020-28462 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-1321)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-28462 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts