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No exploitation reported

CVE-2020-23361

No exploitation reported by the sources we read.

  • Published2021-01-27

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

phpList 3.5.3 allows type juggling for login bypass because == is used instead of === for password hashes, which mishandles hashes that begin with 0e followed by exclusively numerical characters.

Timeline

dates in UTC
  1. 2021-01-2716:15CVE publishedNVD

Versions per branch

NVD · OSV
Phplist
BranchAffectedFixed in
3.5= 3.5.3no fix published
phplist
BranchAffectedFixed in
3.5≥ 3.5.3, ≤ 3.5.3no 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

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
2021-01-27
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5gqq-53xx-954h

Frequently asked questions

What is CVE-2020-23361?

phpList 3.5.3 allows type juggling for login bypass because == is used instead of === for password hashes, which mishandles hashes that begin with 0e followed by exclusively numerical characters.

Is CVE-2020-23361 actively exploited?

Active exploitation of CVE-2020-23361 has not been confirmed. Its EPSS score was 1.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-23361?

CVE-2020-23361 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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Sources for this record