Kernel leak in AfpaCache module of the Fast Response Cache Accelerator (FRCA) component of IBM HTTP Server 1.3.x and Websphere 3.52 allows remote attackers to cause a denial of service via a series of malformed HTTP requests that generate a "bad request" error.
Conclusion & alert: CVE-2001-0122 is rated High Exploit Risk (63.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.32%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 20531 | exploit_db | edb | 2001-01-08 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 5.48% | 3.32% | -2.16% |
| 2 | 2026-01-10 | 4.92% | 5.48% | +0.56% |
| 3 | 2025-07-30 | — | 4.92% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | http_server | 1.3.12.2 | cpe:2.3:a:ibm:http_server:1.3.12.2:*:*:*:*:*:*:* |
| ibm | websphere_application_server | 3.52 | cpe:2.3:a:ibm:websphere_application_server:3.52:*:*:*:*:*:*:* |