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    CVE-2021-42654

    SiteServer CMS < V5.1 is affected by an unrestricted upload of a file with dangerous type (getshell), which could be used to execute arbitrary code.

    Published:May 24, 2022
    Last Modified:Nov 21, 2024
    EPS:May 24, 2022
    EPSS Score:0.00897
    CVSS Score:9.8

    Affected Products

    Vendor
    Sscms
    Product
    Siteserver Cms

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2025-45529 (CVSS 7.1) — An arbitrary file read vulnerability in the ReadTextAsynchronous function of SSCMS v7.3.1 allows attackers to …
    CVE-2023-2862 (CVSS 3.5) — A vulnerability, which was classified as problematic, was found in SiteServer CMS up to 7.2.1. Affected is an …
    CVE-2022-44299 (CVSS 4.9) — SiteServerCMS 7.1.3 sscms has a file read vulnerability.…
    CVE-2022-44298 (CVSS 9.8) — SiteServer CMS 7.1.3 is vulnerable to SQL Injection.…
    CVE-2022-44297 (CVSS 9.8) — SiteServer CMS 7.1.3 has a SQL injection vulnerability the background.…
    CVE-2022-30349 (CVSS 6.1) — siteserver SSCMS 6.15.51 is vulnerable to Cross Site Scripting (XSS).…
    CVE-2021-42656 (CVSS 5.4) — SiteServer CMS V6.15.51 is affected by a Cross Site Scripting (XSS) vulnerability.…
    CVE-2021-42655 (CVSS 8.8) — SiteServer CMS V6.15.51 is affected by a SQL injection vulnerability.…
    CVE-2022-28118 (CVSS 9.8) — SiteServer CMS v7.x allows attackers to execute arbitrary code via a crafted plug-in.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High