Directory traversal vulnerability in Aprelium Abyss Web Server (abyssws) before 1.0.0.2 allows remote attackers to read files outside the web root, including the abyss.conf file, via URL-encoded .. (dot dot) sequences in the HTTP request.
Conclusion & alert: CVE-2002-0543 is rated High Exploit Risk (67.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.26%, 92th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 21367 | exploit_db | edb | 2002-04-07 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2025-03-30 | 10.48% | 10.26% | -0.22% |
| 2 | 2025-03-29 | 10.26% | 10.48% | +0.22% |
| 3 | 2025-03-17 | — | 10.26% | — |
Full EPSS history (8 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 |
|---|---|---|---|
| aprelium_technologies | abyss_web_server | 1.0 | cpe:2.3:a:aprelium_technologies:abyss_web_server:1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2002-04/0110.html | Exploit Patch Vendor Advisory |
| http://www.aprelium.com/forum/viewtopic.php?t=24 | Patch |
| http://www.iss.net/security_center/static/8805.php | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/4466 | Exploit Patch Vendor Advisory |