CVE-2020-13448: QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8 allows an authenticated remote attacker

Q: How do I fix CVE-2020-13448?

quickbox: upgrade to newer than 2.5.5. Exact commands for each OS are on this page.

Q: Is CVE-2020-13448 being exploited?

CVE-2020-13448 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-2020-13448 affect?

CVE-2020-13448 affects quickbox. Severity is high (CVSS 8.8). QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8 allows an authenticated remote attacker to execute code on the server via command injection in the servicestart parameter.

Q: How urgent is CVE-2020-13448?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADE

CVE-2020-13448 is a high-severity flaw (CVSS 8.8) affecting quickbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8 allows an authenticated remote attacker to execute code on the server via command injection in the servicestart parameter.

Why this priority

High severity
EPSS top 3%: 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	17.4% (top 3%)
CISA exploited list	No
Weakness	CWE-78
Published	2020-06-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: quickbox

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

Am I affected?

Timeline

2020-06-01 16:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

quickbox quickbox UPGRADE

Affected: <= 2.5.5 · <= 2.1.8

Fixed in: newer than 2.5.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quickbox

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: QuickBox Pro 2.1.8 - Authenticated Remote Code Execution

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-2020-13448?

quickbox: upgrade to newer than 2.5.5. Exact commands for each OS are on this page.

Is CVE-2020-13448 being exploited?

CVE-2020-13448 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-2020-13448 affect?

CVE-2020-13448 affects quickbox. Severity is high (CVSS 8.8). QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8 allows an authenticated remote attacker to execute code on the server via command injection in the servicestart parameter.

How urgent is CVE-2020-13448?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

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References

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