THREATPORT/VULNERABILITY/CVE-2009-4623
HIGH SEVERITY

CVE-2009-4623

Advanced Comment System vulnerability

CVSS
7.5
EPSS
9.8%
EPSS pct
95th
Exploited
No known
Multiple PHP remote file inclusion vulnerabilities in Advanced Comment System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the ACS_path parameter to (1) index.php and (2) admin.php in advanced_comment_system/. NOTE: this might only be a vulnerability when the administrator has not followed installation instructions in install.php. NOTE: this might be the same as CVE-2020-35598.
Affected vendor
Plohni
Affected product
Advanced Comment System
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness type (CWE)
Published
2010-01-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 9.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2009-4623

  • Confirm whether Plohni Advanced Comment System is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-4623.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-4623

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-4623 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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