CVE-2019-17059: A shell injection vulnerability on the Sophos Cyberoam firewall appliance with CyberoamOS before 10.6.6 MR-6 a

Q: How do I fix CVE-2019-17059?

cyberoamos: upgrade to 10.6.6. Exact commands for each OS are on this page.

Q: Is CVE-2019-17059 being exploited?

CVE-2019-17059 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-2019-17059 affect?

CVE-2019-17059 affects cyberoamos. Severity is critical (CVSS 9.8). A shell injection vulnerability on the Sophos Cyberoam firewall appliance with CyberoamOS before 10.6.6 MR-6 allows remote attackers to execute arbitrary commands via the Web Admin and SSL VPN consoles.

Q: How urgent is CVE-2019-17059?

Priority 68/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-17059 is a critical-severity flaw (CVSS 9.8) affecting cyberoamos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A shell injection vulnerability on the Sophos Cyberoam firewall appliance with CyberoamOS before 10.6.6 MR-6 allows remote attackers to execute arbitrary commands via the Web Admin and SSL VPN consoles.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	7.4% (top 6%)
CISA exploited list	No
Weakness	CWE-78
Published	2019-10-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sophos

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

Am I affected?

Timeline

2019-10-11 17:15 UTCPublished CVE record published
2026-06-17 02:23 UTCUpdated Record last modified

sophos cyberoamos UPGRADE

Affected: < 10.6.6 · 10.6.6 · 10.6.6 maintenance_release1 · 10.6.6 maintenance_release2 · 10.6.6 maintenance_release3 · 10.6.6 maintenance_release4 · 10.6.6 maintenance_release5

Fixed in: 10.6.6

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-2019-17059?

cyberoamos: upgrade to 10.6.6. Exact commands for each OS are on this page.

Is CVE-2019-17059 being exploited?

CVE-2019-17059 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-2019-17059 affect?

CVE-2019-17059 affects cyberoamos. Severity is critical (CVSS 9.8). A shell injection vulnerability on the Sophos Cyberoam firewall appliance with CyberoamOS before 10.6.6 MR-6 allows remote attackers to execute arbitrary commands via the Web Admin and SSL VPN consoles.

How urgent is CVE-2019-17059?

Priority 68/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Sophos vulnerabilities

Related CVEs

CVE-2020-29574 CRITICAL 9.8 EXPLOITED UPGRADE CyberoamOS (CROS) SQL Injection Vulnerability
CVE-2015-6811 HIGH 7.5 MITIGATE SQL injection vulnerability in the Sophos Cyberoam CR500iNG-XP firewall appliance with CyberoamOS 10.6.2 MR-1

References

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