THREATPORT/VULNERABILITY/CVE-2002-0163
HIGH SEVERITY

CVE-2002-0163

Squid vulnerability

CVSS
7.5
EPSS
15.1%
EPSS pct
96th
Exploited
No known
Heap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distributions, allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via compressed DNS responses.
Affected vendor
Squid
Affected product
Squid
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2002-03-26

Risk analysis

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

Its EPSS score of 15.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2002-0163

  • Confirm whether Squid Squid is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2002-0163.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-0163

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-0163 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-2002-0163?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2002-0163.

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