Stack-based buffer overflow in pop3d in Cyrus IMAPD (cyrus-imapd) 2.3.2, when the popsubfolders option is enabled, allows remote attackers to execute arbitrary code via a long USER command.
Conclusion & alert: CVE-2006-2502 is rated High Exploit Risk (75/100): CVSS Medium severity, with high exploitation likelihood (EPSS 77.01%, 99th percentile). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +5.56% 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 |
|---|---|---|---|---|
| 16836 | exploit_db | edb | 2010-04-30 | Exploit-DB ↗ |
| 2185 | exploit_db | edb | 2006-08-14 | Exploit-DB ↗ |
| 1813 | exploit_db | edb | 2006-05-21 | 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 | 2026-03-27 | 71.45% | 77.01% | +5.56% |
| 2 | 2025-10-16 | 77.01% | 71.45% | -5.56% |
| 3 | 2025-07-15 | — | 77.01% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2006-2502 |
ubuntu
|
medium | CVE-2006-2502 medium priority: Ubuntu including 2 source packages (cyrus-imapd-2.2, cyrus21-imapd), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 6, needs-triage 2. | https://ubuntu.com/security/CVE-2006-2502 |
Not vulnerable. This issue does not affect the versions of cyrus-imapd distributed with Red Hat Enterprise Linux.