CVE-2020-22159: EVERTZ devices 3080IPX exe-guest-v1.2-r26125, 7801FC 1.3 Build 27, and 7890IXG V494 are vulnerable to Arbitrar

This month

HIGH 8.8MITIGATEMITIGATEMITIGATE

CVE-2020-22159 is a high-severity flaw (CVSS 8.8) affecting 3080ipx firmware, 7801fc firmware, 7890ixg firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

EVERTZ devices 3080IPX exe-guest-v1.2-r26125, 7801FC 1.3 Build 27, and 7890IXG V494 are vulnerable to Arbitrary File Upload, allowing an authenticated attacker to upload a webshell or overwrite any critical system files.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-07-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: evertz

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

Am I affected?

Timeline

2023-07-18 18:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

evertz 3080ipx firmware MITIGATE

Affected: exe-guest-v1.2-r26125

Fixed in: no fixed release known

Safe to downgrade to: a release before exe-guest-v1.2-r26125

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.

evertz 7801fc firmware MITIGATE

Affected: 1.3 build_27

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

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.

evertz 7890ixg firmware MITIGATE

Affected: v494

Fixed in: no fixed release known

Safe to downgrade to: a release before v494

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-2020-22159?

3080ipx firmware: mitigate or apply the listed mitigation; 7801fc firmware: mitigate or apply the listed mitigation; 7890ixg firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-22159 being exploited?

CVE-2020-22159 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-2020-22159 affect?

CVE-2020-22159 affects 3080ipx firmware, 7801fc firmware, 7890ixg firmware. Severity is high (CVSS 8.8). EVERTZ devices 3080IPX exe-guest-v1.2-r26125, 7801FC 1.3 Build 27, and 7890IXG V494 are vulnerable to Arbitrary File Upload, allowing an authenticated attacker to upload a webshell or overwrite any critical system files.

How urgent is CVE-2020-22159?

Priority 51/100. High severity; Public exploit reference

References

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