CVE-2020-6756: languageOptions.php in Rasilient PixelStor 5000 K:4.0.1580-20150629 (KDI Version) allows unauthenticated attac

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2020-6756 is a critical-severity flaw (CVSS 9.8) affecting pixelstor 5000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

languageOptions.php in Rasilient PixelStor 5000 K:4.0.1580-20150629 (KDI Version) allows unauthenticated attackers to remotely execute code via the lang parameter.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	10.6% (top 4%)
CISA exploited list	No
Weakness	CWE-78
Published	2020-01-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: rasilient

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

Am I affected?

Timeline

2020-01-09 23:15 UTCPublished CVE record published
2026-06-17 03:23 UTCUpdated Record last modified

rasilient pixelstor 5000 firmware MITIGATE

Affected: 4.0.1580-20150629

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.1580-20150629

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.

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: PixelStor 5000 K:4.0.1580-20150629 - 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-2020-6756?

pixelstor 5000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-6756 being exploited?

CVE-2020-6756 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-2020-6756 affect?

CVE-2020-6756 affects pixelstor 5000 firmware. Severity is critical (CVSS 9.8). languageOptions.php in Rasilient PixelStor 5000 K:4.0.1580-20150629 (KDI Version) allows unauthenticated attackers to remotely execute code via the lang parameter.

How urgent is CVE-2020-6756?

Priority 68/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-6758 MEDIUM 6.1 MITIGATE A cross-site scripting (XSS) vulnerability in Option/optionsAll.php in Rasilient PixelStor 5000 K:4.0.1580-201
CVE-2020-6757 HIGH 8.8 MITIGATE contentHostProperties.php in Rasilient PixelStor 5000 K:4.0.1580-20150629 (KDI Version) allows authenticated a

References

← Back to latest CVEs