CVE-2021-23507: The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it a

Q: How do I fix CVE-2021-23507?

object-path-set: upgrade to 1.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-23507 being exploited?

CVE-2021-23507 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-23507 affect?

CVE-2021-23507 affects object-path-set. Severity is high (CVSS 7.5). The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://securit

Q: How urgent is CVE-2021-23507?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2021-23507 is a high-severity flaw (CVSS 7.5) affecting object-path-set. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-1321
Published	2022-02-04
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: skratchdot

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

Am I affected?

Timeline

2022-02-04 20:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

skratchdot object-path-set UPGRADE

Affected: < 1.0.2

Fixed in: 1.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy object-path-set || rpm -q object-path-set || object-path-set --version

2. UPGRADE to 1.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade object-path-set

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade object-path-set

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2021-23507?

object-path-set: upgrade to 1.0.2. Exact commands for each OS are on this page.

Is CVE-2021-23507 being exploited?

CVE-2021-23507 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-2021-23507 affect?

CVE-2021-23507 affects object-path-set. Severity is high (CVSS 7.5). The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://securit

How urgent is CVE-2021-23507?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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