CVE-2023-51414: Deserialization of Untrusted Data vulnerability in EnvialoSimple EnvíaloSimple: Email Marketing y Newsletters.

Q: How do I fix CVE-2023-51414?

envialosimple\: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-51414 being exploited?

CVE-2023-51414 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-2023-51414 affect?

CVE-2023-51414 affects envialosimple\. Severity is critical (CVSS 9.6). Deserialization of Untrusted Data vulnerability in EnvialoSimple EnvíaloSimple: Email Marketing y Newsletters.This issue affects EnvíaloSimple: Email Marketing y Newsletters: from n/a through 2.1.

Q: How urgent is CVE-2023-51414?

Priority 45/100. Critical severity

This month

CRITICAL 9.6UPGRADE

CVE-2023-51414 is a critical-severity flaw (CVSS 9.6) affecting envialosimple\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in EnvialoSimple EnvíaloSimple: Email Marketing y Newsletters.This issue affects EnvíaloSimple: Email Marketing y Newsletters: from n/a through 2.1.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-502
Published	2023-12-29
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: donweb

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

Am I affected?

Timeline

2023-12-29 13:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

donweb envialosimple\ UPGRADE

Affected: <= 2.1

Fixed in: newer than 2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade envialosimple

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-2023-51414?

envialosimple\: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Is CVE-2023-51414 being exploited?

CVE-2023-51414 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-2023-51414 affect?

CVE-2023-51414 affects envialosimple\. Severity is critical (CVSS 9.6). Deserialization of Untrusted Data vulnerability in EnvialoSimple EnvíaloSimple: Email Marketing y Newsletters.This issue affects EnvíaloSimple: Email Marketing y Newsletters: from n/a through 2.1.

How urgent is CVE-2023-51414?

Priority 45/100. Critical severity

References

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