THREATPORT/VULNERABILITY/CVE-2020-29651
HIGH SEVERITY

CVE-2020-29651

Py vulnerability

CVSS
7.5
EPSS
4.6%
EPSS pct
91th
Exploited
No known
A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.
Affected vendor
Pytest
Affected product
Py
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-12-09

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 availability.

Its EPSS score of 4.6% 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-2020-29651

  • Confirm whether Pytest Py is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-29651.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-29651

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-29651 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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