CVE-2017-7283: An authenticated user of Unitrends Enterprise Backup before 9.1.2 can execute arbitrary OS commands by sending

Q: How do I fix CVE-2017-7283?

enterprise backup: upgrade to newer than 9.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2017-7283 being exploited?

CVE-2017-7283 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-2017-7283 affect?

CVE-2017-7283 affects enterprise backup. Severity is high (CVSS 8.8). An authenticated user of Unitrends Enterprise Backup before 9.1.2 can execute arbitrary OS commands by sending a specially crafted filename to the /api/restore/download-files endpoint, related to the downloadFiles function in api/includes/r

Q: How urgent is CVE-2017-7283?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2017-7283 is a high-severity flaw (CVSS 8.8) affecting enterprise backup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated user of Unitrends Enterprise Backup before 9.1.2 can execute arbitrary OS commands by sending a specially crafted filename to the /api/restore/download-files endpoint, related to the downloadFiles function in api/includes/restore.php.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Weakness	CWE-20
Published	2017-04-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: unitrends

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

Am I affected?

Timeline

2017-04-20 02:59 UTCPublished CVE record published
2026-06-17 01:24 UTCUpdated Record last modified

unitrends enterprise backup UPGRADE

Affected: <= 9.1.1

Fixed in: newer than 9.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy enterprise-backup || rpm -q enterprise-backup || enterprise-backup --version

2. UPGRADE to newer than 9.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade enterprise-backup

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade enterprise-backup

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-2017-7283?

enterprise backup: upgrade to newer than 9.1.1. Exact commands for each OS are on this page.

Is CVE-2017-7283 being exploited?

CVE-2017-7283 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-2017-7283 affect?

CVE-2017-7283 affects enterprise backup. Severity is high (CVSS 8.8). An authenticated user of Unitrends Enterprise Backup before 9.1.2 can execute arbitrary OS commands by sending a specially crafted filename to the /api/restore/download-files endpoint, related to the downloadFiles function in api/includes/r

How urgent is CVE-2017-7283?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-7284 HIGH 8.8 UPGRADE An attacker that has hijacked a Unitrends Enterprise Backup (before 9.1.2) web server session can leverage api
CVE-2017-7282 MEDIUM 5.5 UPGRADE An issue was discovered in Unitrends Enterprise Backup before 9.1.1
CVE-2017-7281 HIGH 8.8 UPGRADE An issue was discovered in Unitrends Enterprise Backup before 9.1.2
CVE-2017-7280 CRITICAL 9.8 UPGRADE An issue was discovered in api/includes/systems.php in Unitrends Enterprise Backup before 9.0.0
CVE-2017-7279 CRITICAL 9.8 UPGRADE An unprivileged user of the Unitrends Enterprise Backup before 9.0.0 web server can escalate to root privilege

References

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