The updateuser servlet in Neon WebMail for Java before 5.08 does not validate the in_id parameter, which allows remote attackers to modify information of arbitrary users, as demonstrated by modifying (1) passwords and (2) permissions, (3) viewing profile settings, and (4) creating and (5) deleting users.
Conclusion & alert: CVE-2006-4954 is rated High Exploit Risk (78.4/100): CVSS High severity, with high exploitation likelihood (EPSS 8.66%, 92th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.13% 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 |
|---|---|---|---|---|
| 28609 | exploit_db | edb | 2006-09-20 | 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 | 2026-02-21 | 7.53% | 8.66% | +1.13% |
| 2 | 2025-06-11 | 6.58% | 7.53% | +0.95% |
| 3 | 2025-05-12 | — | 6.58% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| neosys | neon_webmail | 5.06 | cpe:2.3:a:neosys:neon_webmail:5.06:*:java:*:*:*:*:* |
| neosys | neon_webmail | 5.07 | cpe:2.3:a:neosys:neon_webmail:5.07:*:java:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/22029 | Patch Vendor Advisory |
| http://vuln.sg/neonmail506-en.html | Exploit Patch |
| http://www.securityfocus.com/bid/20109 | Exploit Patch |
| http://www.securityfocus.com/bid/84203 | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/29089 |