THREATPORT/VULNERABILITY/CVE-2009-1358
HIGH SEVERITY

CVE-2009-1358

Advanced Package Tool vulnerability

CVSS
10.0
EPSS
4.4%
EPSS pct
90th
Exploited
No known
apt-get in apt before 0.7.21 does not check for the correct error code from gpgv, which causes apt to treat a repository as valid even when it has been signed with a key that has been revoked or expired, which might allow remote attackers to trick apt into installing malicious repositories.
Affected vendor
Debian
Affected product
Advanced Package Tool
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
2009-04-21

Risk analysis

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

Its EPSS score of 4.4% 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-2009-1358

  • Confirm whether Debian Advanced Package Tool is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-1358.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-1358

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-1358 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-2009-1358?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2009-1358.

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