All vulnerabilities

Servers and applications

CVE-2001-0962

IBM WebSphere Application Server 3.02 through 3.53 uses predictable session IDs for cookies, which allows remote attackers to gain privileges of WebSphere users via brute force guessing.

Severity
High 7.5
Published
19 Sept 2001
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.6% in the next 30 daysHigher than 75% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Every version up to 3.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2001-0962
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2001-0962