CVE-2019-6551: Pangea Communications Internet FAX ATA all Versions 3.1.8 and prior allow an attacker to bypass user authentic

Q: How do I fix CVE-2019-6551?

fax ata: upgrade to newer than 3.1.8. Exact commands for each OS are on this page.

Q: Is CVE-2019-6551 being exploited?

CVE-2019-6551 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-2019-6551 affect?

CVE-2019-6551 affects fax ata. Severity is high (CVSS 7.5). Pangea Communications Internet FAX ATA all Versions 3.1.8 and prior allow an attacker to bypass user authentication using a specially crafted URL to cause the device to reboot, which may be used to cause a continual denial-of-service condit

Q: How urgent is CVE-2019-6551?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2019-6551 is a high-severity flaw (CVSS 7.5) affecting fax ata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Pangea Communications Internet FAX ATA all Versions 3.1.8 and prior allow an attacker to bypass user authentication using a specially crafted URL to cause the device to reboot, which may be used to cause a continual denial-of-service condition.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-288, CWE-425
Published	2019-02-28
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: pangea-comm

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

Am I affected?

Timeline

2019-02-28 21:29 UTCPublished CVE record published
2026-06-17 02:39 UTCUpdated Record last modified

pangea-comm fax ata UPGRADE

Affected: <= 3.1.8

Fixed in: newer than 3.1.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fax-ata || rpm -q fax-ata || fax-ata --version

2. UPGRADE to newer than 3.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fax-ata

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fax-ata

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-2019-6551?

fax ata: upgrade to newer than 3.1.8. Exact commands for each OS are on this page.

Is CVE-2019-6551 being exploited?

CVE-2019-6551 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-2019-6551 affect?

CVE-2019-6551 affects fax ata. Severity is high (CVSS 7.5). Pangea Communications Internet FAX ATA all Versions 3.1.8 and prior allow an attacker to bypass user authentication using a specially crafted URL to cause the device to reboot, which may be used to cause a continual denial-of-service condit

How urgent is CVE-2019-6551?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

References

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