CVE-2021-3805

Name: CVE-2021-3805
Creator: NVD / NIST
Published: 2021-09-17T06:15:06.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.03%

Last modified Jun 17, 2026

CVE-2021-3805 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). EPSS estimates a 2.03% chance of exploitation in the next 30 days.

Description

object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.03%

78.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Object-Path Project	Object-Path	< 0.11.8
Debian	Debian Linux	10.0

References

https://github.com/mariocasciaro/object-path/commit/e6bb638ffdd431176701b3e9024f80050d0ef0a6Patch, Third Party Advisory
https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00031.htmlMailing List, Third Party Advisory
https://github.com/mariocasciaro/object-path/commit/e6bb638ffdd431176701b3e9024f80050d0ef0a6Patch, Third Party Advisory
https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00031.htmlMailing List, Third Party Advisory

Timeline

Published: Sep 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3805?

object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

How severe is CVE-2021-3805?

CVE-2021-3805 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.03% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3805?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3805?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST