All vulnerabilities

Servers and applications

CVE-2004-0748

mod_ssl in Apache 2.0.50 and earlier allows remote attackers to cause a denial of service (CPU consumption) by aborting an SSL connection in a way that causes an Apache child process to enter an infinite loop.

Severity
Medium 5.0
Published
20 Oct 2004
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.0.51
Exploit chance
25% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Infinite loop (CWE-835)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.0.35 before 2.0.51

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2004-0748
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2004-0748