IPSwitch IMail Web Calendaring service (iwebcal) allows remote attackers to cause a denial of service (crash) via an HTTP POST request without a Content-Length field.
Conclusion & alert: CVE-2002-1077 is rated High Exploit Risk (73.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.66%, 95th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +5.01% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 21673 | exploit_db | edb | 2002-07-30 | 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 | 5.65% | 10.66% | +5.01% |
| 2 | 2026-05-27 | 5.21% | 5.65% | +0.45% |
| 3 | 2026-03-23 | — | 5.21% | — |
Full EPSS history (16 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 |
|---|---|---|---|
| ipswitch | imail | 6.1 | cpe:2.3:a:ipswitch:imail:6.1:*:*:*:*:*:*:* |
| ipswitch | imail | 6.2 | cpe:2.3:a:ipswitch:imail:6.2:*:*:*:*:*:*:* |
| ipswitch | imail | 6.3 | cpe:2.3:a:ipswitch:imail:6.3:*:*:*:*:*:*:* |
| ipswitch | imail | 6.4 | cpe:2.3:a:ipswitch:imail:6.4:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.1 | cpe:2.3:a:ipswitch:imail:7.0.1:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.2 | cpe:2.3:a:ipswitch:imail:7.0.2:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.3 | cpe:2.3:a:ipswitch:imail:7.0.3:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.4 | cpe:2.3:a:ipswitch:imail:7.0.4:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.5 | cpe:2.3:a:ipswitch:imail:7.0.5:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.6 | cpe:2.3:a:ipswitch:imail:7.0.6:*:*:*:*:*:*:* |
| ipswitch | imail | 7.0.7 | cpe:2.3:a:ipswitch:imail:7.0.7:*:*:*:*:*:*:* |
| ipswitch | imail | 7.1 | cpe:2.3:a:ipswitch:imail:7.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2002-07/0399.html | |
| http://www.iss.net/security_center/static/9722.php | Vendor Advisory |
| http://www.securityfocus.com/bid/5365 | Exploit Vendor Advisory |