CVE-2015-6520: IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connecte

Q: How do I fix CVE-2015-6520?

ippusbxd: upgrade to newer than 1.21.2. Exact commands for each OS are on this page.

Q: Is CVE-2015-6520 being exploited?

CVE-2015-6520 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-2015-6520 affect?

CVE-2015-6520 affects ippusbxd. Severity is high (CVSS 7.5). IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connected printers via a direct request.

This month

HIGH 7.5UPGRADE

CVE-2015-6520 is a high-severity flaw (CVSS 7.5) affecting ippusbxd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connected printers via a direct request.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-264
Published	2015-09-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ippusbxd project

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

Am I affected?

Timeline

2015-09-01 14:59 UTCPublished CVE record published
2026-06-17 00:31 UTCUpdated Record last modified

ippusbxd project ippusbxd UPGRADE

Affected: <= 1.21.2

Fixed in: newer than 1.21.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.21.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ippusbxd

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-2015-6520?

ippusbxd: upgrade to newer than 1.21.2. Exact commands for each OS are on this page.

Is CVE-2015-6520 being exploited?

CVE-2015-6520 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-2015-6520 affect?

CVE-2015-6520 affects ippusbxd. Severity is high (CVSS 7.5). IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connected printers via a direct request.

How urgent is CVE-2015-6520?

Priority 47/100. High severity

References

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