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No exploitation reported

CVE-2020-7723

No exploitation reported by the sources we read.

  • Published2020-09-01
  • WeaknessCWE-1321

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

All versions of package promisehelpers are vulnerable to Prototype Pollution via the insert function.

Timeline

dates in UTC
  1. 2020-09-0110:15CVE publishedNVD

Versions per branch

OSV · NVD
promisehelpers
BranchAffectedFixed in
0.0≤ 0.0.5no fix published
Yola promisehelpers
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.19.8known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-1321read 2026-10-23
  • FIRST EPSSEPSS score1.9 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2021-05-05

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-09-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-rj5f-7c8x-gjg4

Frequently asked questions

What is CVE-2020-7723?

All versions of package promisehelpers are vulnerable to Prototype Pollution via the insert function.

Is CVE-2020-7723 actively exploited?

Active exploitation of CVE-2020-7723 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-7723?

CVE-2020-7723 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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