THREATPORT/VULNERABILITY/CVE-2014-9402
HIGH SEVERITY

CVE-2014-9402

Glibc vulnerability

CVSS
7.8
EPSS
7.8%
EPSS pct
94th
Exploited
No known
The nss_dns implementation of getnetbyname in GNU C Library (aka glibc) before 2.21, when the DNS backend in the Name Service Switch configuration is enabled, allows remote attackers to cause a denial of service (infinite loop) by sending a positive answer while a network name is being process.
Affected vendor
Gnu
Affected product
Glibc
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
Published
2015-02-24

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 availability.

Its EPSS score of 7.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2014-9402

  • Confirm whether Gnu Glibc is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2014-9402.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-9402

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-9402 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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