CVE-2006-4954
The updateuser servlet in Neon WebMail for Java before 5.08 does not validate the in_id parameter...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-4954- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-4954- Updated
- 2026-11-02
EUVDEUVD-2006-4940 No score
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.
- Record
EUVD-2006-4940- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mc6-x498-8q9c No score
The updateuser servlet in Neon WebMail for Java before 5.08 does not validate the in_id parameter...
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.
- Record
GHSA-6mc6-x498-8q9c- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | NeoSys Neon Webmail for Java 5.06/5.07 - 'updateuser?in_id' Servlet Arbitrary User Information Modification | 2006-09-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4954 is a high vulnerability (CVSS 7.5) in Neosys Neon Webmail, published September 23, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.13%, the 94th percentile. No source names a fixed version.