Mercur Messaging 2005 SP2 allows remote attackers to read the source code of .ctml files via a URL with a trailing hex-encoded space ("%20").
Conclusion & alert: CVE-2005-1656 is rated Exploit Available (59.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.31%). Core evidence: 1 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 |
|---|---|---|---|---|
| — | 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 | 0.41% | 1.31% | +0.90% |
| 2 | 2025-03-30 | 0.46% | 0.41% | -0.05% |
| 3 | 2025-03-29 | — | 0.46% | — |
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 |
|---|---|---|---|
| mercur | mercur_messaging | 2005_sp2 | cpe:2.3:a:mercur:mercur_messaging:2005_sp2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/15234 | Exploit |
| http://www.osvdb.org/16218 |