MEDIUM SEVERITY

CVE-2007-6422

Http Server vulnerability

CVSS
4.0
EPSS
10.0%
EPSS pct
95th
Exploited
No known
The balancer_handler function in mod_proxy_balancer in the Apache HTTP Server 2.2.0 through 2.2.6, when a threaded Multi-Processing Module is used, allows remote authenticated users to cause a denial of service (child process crash) via an invalid bb variable.
Affected vendor
Apache
Affected product
Http Server
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness type (CWE)
Published
2008-01-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 10.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2007-6422

  • Confirm whether Apache Http Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-6422.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-6422

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