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Review reviewCritical

CVE-2022-28118

siteserver cms

SiteServer CMS v7.x allows attackers to execute arbitrary code via a crafted plug-in.

CVSS
9.8
EPSS
2.60%
83.8% percentile
CISA KEV
Not listed
Published
2022.05.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability2.60%
Technical severityCVSS 9.8

Vulnerability overview

SiteServer CMS v7.x allows attackers to execute arbitrary code via a crafted plug-in.

Affected product and versions

Product
siteserver cms
Affected versions
>= 7.0.0 <= 7.1.2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that siteserver cms and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2022-28118 — siteserver cms | SECUFOCUS NOW