CVE-2020-28462: This affects all versions of package ion-parser

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HIGH 7.3REMOTEMITIGATE

CVE-2020-28462 is a high-severity flaw (CVSS 7.3) affecting ion-parser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-1321
Published	2022-07-25
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: ion-parser project

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

Am I affected?

Timeline

2022-07-25 14:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

ion-parser project ion-parser MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls ion-parser

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2020-28462?

ion-parser: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-28462 being exploited?

CVE-2020-28462 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-2020-28462 affect?

CVE-2020-28462 affects ion-parser. Severity is high (CVSS 7.3). 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 co

How urgent is CVE-2020-28462?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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