CVE-2022-36226: SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.

Q: How do I fix CVE-2022-36226?

siteservercms: upgrade to newer than 5.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-36226 being exploited?

CVE-2022-36226 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-2022-36226 affect?

CVE-2022-36226 affects siteservercms. Severity is high (CVSS 7.2). SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.

Q: How urgent is CVE-2022-36226?

Priority 47/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2022-36226 is a high-severity flaw (CVSS 7.2) affecting siteservercms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-862
Published	2022-08-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: siteservercms project

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

Am I affected?

Timeline

2022-08-26 00:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

siteservercms project siteservercms UPGRADE

Affected: <= 5.0.0

Fixed in: newer than 5.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 5.0.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade siteservercms

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-2022-36226?

siteservercms: upgrade to newer than 5.0.0. Exact commands for each OS are on this page.

Is CVE-2022-36226 being exploited?

CVE-2022-36226 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-2022-36226 affect?

CVE-2022-36226 affects siteservercms. Severity is high (CVSS 7.2). SiteServerCMS 5.X has a Remote-download-Getshell-vulnerability via /SiteServer/Ajax/ajaxOtherService.aspx.

How urgent is CVE-2022-36226?

Priority 47/100. High severity; Public exploit reference

References

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