CVE-2020-5777: MAGMI versions prior to 0.7.24 are vulnerable to a remote authentication bypass due to allowing default creden

Q: How do I fix CVE-2020-5777?

magmi: upgrade to 0.7.24. Exact commands for each OS are on this page.

Q: Is CVE-2020-5777 being exploited?

CVE-2020-5777 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-2020-5777 affect?

CVE-2020-5777 affects magmi. Severity is critical (CVSS 9.8). MAGMI versions prior to 0.7.24 are vulnerable to a remote authentication bypass due to allowing default credentials in the event there is a database connection failure. A remote attacker can trigger this connection failure if the Mysql sett

Q: How urgent is CVE-2020-5777?

Priority 64/100. Critical severity; EPSS top 2%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-5777 is a critical-severity flaw (CVSS 9.8) affecting magmi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MAGMI versions prior to 0.7.24 are vulnerable to a remote authentication bypass due to allowing default credentials in the event there is a database connection failure. A remote attacker can trigger this connection failure if the Mysql setting max_connections (default 151) is lower than Apache (or another web server) setting MaxRequestWorkers (formerly MaxClients) (default 256). This can be done by sending at least 151 simultaneous requests to th

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	23.3% (top 2%)
CISA exploited list	No
Weakness	CWE-287
Published	2020-09-01
Last modified	2026-06-17

Publisher (CNA): Tenable Network Security, Inc. · Vendor: magmi project

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

Am I affected?

Timeline

2020-09-01 21:15 UTCPublished CVE record published
2026-06-17 03:22 UTCUpdated Record last modified

magmi project magmi UPGRADE

Affected: < 0.7.24

Fixed in: 0.7.24

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy magmi || rpm -q magmi || magmi --version

2. UPGRADE to 0.7.24 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade magmi

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade magmi

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Magento Mass Importer <0.7.24 - Remote Auth Bypass

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-2020-5777?

magmi: upgrade to 0.7.24. Exact commands for each OS are on this page.

Is CVE-2020-5777 being exploited?

CVE-2020-5777 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-2020-5777 affect?

CVE-2020-5777 affects magmi. Severity is critical (CVSS 9.8). MAGMI versions prior to 0.7.24 are vulnerable to a remote authentication bypass due to allowing default credentials in the event there is a database connection failure. A remote attacker can trigger this connection failure if the Mysql sett

How urgent is CVE-2020-5777?

Priority 64/100. Critical severity; EPSS top 2%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

MySQL vulnerabilities

Related CVEs

CVE-2020-5776 HIGH 8.8 MITIGATE Currently, all versions of MAGMI are vulnerable to CSRF due to the lack of CSRF tokens
CVE-2017-7391 MEDIUM 6.1 DOWNGRADE A Cross-Site Scripting (XSS) was discovered in 'Magmi 0.7.22'
CVE-2015-2068 MEDIUM 4.3 MITIGATE Multiple cross-site scripting (XSS) vulnerabilities in the MAGMI (aka Magento Mass Importer) plugin for Magent
CVE-2015-2067 MEDIUM 5.0 MITIGATE Directory traversal vulnerability in web/ajax_pluginconf.php in the MAGMI (aka Magento Mass Importer) plugin f
CVE-2014-8770 HIGH 9.0 UPGRADE Unrestricted file upload vulnerability in magmi/web/magmi.php in the MAGMI (aka Magento Mass Importer) plugin

References

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