THREATPORT/VULNERABILITY/CVE-2022-1664
CRITICAL SEVERITY

CVE-2022-1664

Dpkg vulnerability

CVSS
9.8
EPSS
3.1%
EPSS pct
86th
Exploited
No known
Dpkg::Source::Archive in dpkg, the Debian package management system, before version 1.21.8, 1.20.10, 1.19.8, 1.18.26 is prone to a directory traversal vulnerability. When extracting untrusted source packages in v2 and v3 source package formats that include a debian.tar, the in-place extraction can lead to directory traversal situations on specially crafted orig.tar and debian.tar tarballs.
Affected vendor
Debian
Affected product
Dpkg
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2022-05-26

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 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2022-1664

  • Confirm whether Debian Dpkg is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-1664.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-1664

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-1664 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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