THREATPORT/VULNERABILITY/CVE-2018-1000525
CRITICAL SEVERITY

CVE-2018-1000525

Openpsa vulnerability

CVSS
9.8
EPSS
4.1%
EPSS pct
90th
Exploited
No known
openpsa contains a PHP Object Injection vulnerability in Form data passed as GET request variables that can result in Possible information disclosure and remote code execution. This attack appear to be exploitable via Specially crafted GET request variable containing serialised PHP object. This vulnerability appears to have been fixed in after commit 097eae0.
Affected vendor
Openpsa2
Affected product
Openpsa
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2018-06-26

Risk analysis

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

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2018-1000525

  • Confirm whether Openpsa2 Openpsa is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1000525.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1000525

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1000525 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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