THREATPORT/VULNERABILITY/CVE-2020-7065
HIGH SEVERITY

CVE-2020-7065

Php vulnerability

CVSS
7.4
EPSS
4.9%
EPSS pct
91th
Exploited
No known
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
Affected vendor
Php
Affected product
Php
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness type (CWE)
  • CWE-121 — Stack-based Buffer Overflow
  • CWE-787 — Out-of-bounds Write
Published
2020-04-01

Risk analysis

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

Its EPSS score of 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-7065

  • Confirm whether Php Php is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-7065.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-7065

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-7065 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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