THREATPORT/VULNERABILITY/CVE-2020-26154
CRITICAL SEVERITY

CVE-2020-26154

Libproxy vulnerability

CVSS
9.8
EPSS
3.6%
EPSS pct
88th
Exploited
No known
url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.
Affected vendor
Libproxy Project
Affected product
Libproxy
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-120 — Classic Buffer Overflow
Published
2020-09-30

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 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-26154

  • Confirm whether Libproxy Project Libproxy is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-26154.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-26154

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-26154 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-26154?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-26154.

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