CVE-2020-24052: Several XML External Entity (XXE) vulnerabilities in the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units allow re

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CRITICAL 9.1REMOTEMITIGATEMITIGATE

CVE-2020-24052 is a critical-severity flaw (CVSS 9.1) affecting exvf5c-2 firmware, exvp7c2-3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Several XML External Entity (XXE) vulnerabilities in the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units allow remote unauthenticated users to read arbitrary files via a crafted Document Type Definition (DTD) in an XML request.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-611
Published	2020-08-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: moog

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

Am I affected?

Timeline

2020-08-21 15:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

moog exvf5c-2 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

moog exvp7c2-3 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2020-24052?

exvf5c-2 firmware: mitigate or apply the listed mitigation; exvp7c2-3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-24052 being exploited?

CVE-2020-24052 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-2020-24052 affect?

CVE-2020-24052 affects exvf5c-2 firmware, exvp7c2-3 firmware. Severity is critical (CVSS 9.1). Several XML External Entity (XXE) vulnerabilities in the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units allow remote unauthenticated users to read arbitrary files via a crafted Document Type Definition (DTD) in an XML request.

How urgent is CVE-2020-24052?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-24054 CRITICAL 9.8 MITIGATE MITIGATE The administration console of the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units features a 'statusbroadcast' co
CVE-2020-24053 HIGH 7.5 MITIGATE MITIGATE Moog EXO Series EXVF5C-2 and EXVP7C2-3 units have a hardcoded credentials vulnerability
CVE-2020-24051 CRITICAL 9.8 MITIGATE MITIGATE The Moog EXO Series EXVF5C-2 and EXVP7C2-3 units support the ONVIF interoperability IP-based physical security

References

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