CVE-2022-32272: OPSWAT MetaDefender Core before 5.1.2, MetaDefender ICAP before 4.12.1, and MetaDefender Email Gateway Securit

Q: How do I fix CVE-2022-32272?

metadefender: upgrade to 5.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-32272 being exploited?

CVE-2022-32272 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-2022-32272 affect?

CVE-2022-32272 affects metadefender. Severity is critical (CVSS 9.8). OPSWAT MetaDefender Core before 5.1.2, MetaDefender ICAP before 4.12.1, and MetaDefender Email Gateway Security before 5.6.1 have incorrect access control, resulting in privilege escalation.

Q: How urgent is CVE-2022-32272?

Priority 68/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-32272 is a critical-severity flaw (CVSS 9.8) affecting metadefender. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OPSWAT MetaDefender Core before 5.1.2, MetaDefender ICAP before 4.12.1, and MetaDefender Email Gateway Security before 5.6.1 have incorrect access control, resulting in privilege escalation.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference
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	9.6% (top 5%)
CISA exploited list	No
Weakness	CWE-269
Published	2022-06-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opswat

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

Am I affected?

Timeline

2022-06-09 15:15 UTCPublished CVE record published
2026-06-17 04:47 UTCUpdated Record last modified

opswat metadefender UPGRADE

Affected: < 5.1.2

Fixed in: 5.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 5.1.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade metadefender

Note

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

Exact fixes by distribution

Fedora 46 · iodine · FIXED · 0.9.0-2.fc46 · FEDORA-2026-4448545972 · source

sudo dnf upgrade --advisory=FEDORA-2026-4448545972

Fedora ELN · python-idna · FIXED · 3.20-1.eln159 · FEDORA-2026-4421e6642f · source

sudo dnf upgrade --advisory=FEDORA-2026-4421e6642f

Public exploits and detection

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

Write-up: opswat.com
Exploit-DB: OPSWAT Metadefender Core - Privilege Escalation

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-2022-32272?

metadefender: upgrade to 5.1.2. Exact commands for each OS are on this page.

Is CVE-2022-32272 being exploited?

CVE-2022-32272 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-2022-32272 affect?

CVE-2022-32272 affects metadefender. Severity is critical (CVSS 9.8). OPSWAT MetaDefender Core before 5.1.2, MetaDefender ICAP before 4.12.1, and MetaDefender Email Gateway Security before 5.6.1 have incorrect access control, resulting in privilege escalation.

How urgent is CVE-2022-32272?

Priority 68/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-40778 MEDIUM 5.4 UPGRADE A stored Cross-Site Scripting (XSS) vulnerability in OPSWAT MetaDefender ICAP Server before 4.13.0 allows atta
CVE-2022-32273 MEDIUM 4.3 UPGRADE As a result of an observable discrepancy in returned messages, OPSWAT MetaDefender Core (MDCore) before 5.1.2

References

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