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Vulnerabilities

Vulnerability · CVE-2002-1593

mod_dav in Apache before 2.0.42 does not properly handle versioning hooks, which may allow remote attackers to kill a child process via a null dereference and cause a…

Published Sep 25, 2002 · catalog updated Jun 16, 2026 · http server

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2002-1593. EPSS is 7.04%. Act only if a listed version of http server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
7.04%
Remediation
Advisory link
Affected products
cpe apache/http server

mod_dav in Apache before 2.0.42 does not properly handle versioning hooks, which may allow remote attackers to kill a child process via a null dereference and cause a denial of service (CPU consumption) in a preforked multi-processing module.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/http server2.0
  • cpe apache/http server2.0.28
  • cpe apache/http server2.0.32
  • cpe apache/http server2.0.35
  • cpe apache/http server2.0.36
  • cpe apache/http server2.0.37

How to fix CVE-2002-1593

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2002-1593. EPSS is 7.04%. Act only if a listed version of http server is installed.

Which versions are affected?

Compare what you have installed with apache/http server 2.0; apache/http server 2.0.28; apache/http server 2.0.32; apache/http server 2.0.35. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 7.04%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Apache HTTP Server security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 25, 2002 · Monitored products — critical

    Detected

    mod_dav in Apache before 2.0.42 does not properly handle versioning hooks, which may allow remote attackers to kill a child process via a null dereference and cause a denial of service (CPU consumption) in a preforked multi-processing module.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    mod_dav in Apache before 2.0.42 does not properly handle versioning hooks, which may allow remote attackers to kill a child process via a null dereference and cause a denial of service (CPU consumption) in a preforked multi-processing module.

Sources

  • CVE.orgVulnerability recordCVE-2002-1593

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2002-1593

    30-day exploitation probability 7.04%

    first.org
  • Monitored products — criticalVendor advisoryCVE-2002-1593

    mod_dav in Apache before 2.0.42 does not properly handle versioning hooks, which may allow remote attackers to kill a child process via a null dereference and cause a denial of service (CPU consumption) in a preforked multi-processing module.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 8, 2026
  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 3, 2026