CVE-2020-3922: LisoMail, by ArmorX, allows SQL Injections, attackers can access the database without authentication via a URL

Q: How do I fix CVE-2020-3922?

lisomail: upgrade to newer than 2.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-3922 being exploited?

CVE-2020-3922 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-2020-3922 affect?

CVE-2020-3922 affects lisomail. Severity is critical (CVSS 9.8). LisoMail, by ArmorX, allows SQL Injections, attackers can access the database without authentication via a URL parameter manipulation.

Q: How urgent is CVE-2020-3922?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-3922 is a critical-severity flaw (CVSS 9.8) affecting lisomail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LisoMail, by ArmorX, allows SQL Injections, attackers can access the database without authentication via a URL parameter manipulation.

Why this priority

Critical severity
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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-03-18
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: armorx

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

Am I affected?

Timeline

2020-03-18 07:15 UTCPublished CVE record published
2026-06-17 03:19 UTCUpdated Record last modified

armorx lisomail UPGRADE

Affected: <= 2.0

Fixed in: newer than 2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lisomail

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-2020-3922?

lisomail: upgrade to newer than 2.0. Exact commands for each OS are on this page.

Is CVE-2020-3922 being exploited?

CVE-2020-3922 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-2020-3922 affect?

CVE-2020-3922 affects lisomail. Severity is critical (CVSS 9.8). LisoMail, by ArmorX, allows SQL Injections, attackers can access the database without authentication via a URL parameter manipulation.

How urgent is CVE-2020-3922?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

References

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