CVE-1999-1109 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 7.2% (pctl 94)
Patch early
A public exploit exists.
Description
Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 7.17% — more likely to be exploited than 94% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 1999-12-22 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| sendmail | sendmail |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Eric Allman Sendmail 8.9.1/8.9.3 - ETRN Denial of Service | 1999-12-22 |
References
- http://marc.info/?l=bugtraq&m=94632241202626&w=2
- http://marc.info/?l=bugtraq&m=94780566911948&w=2
- http://www.iss.net/security_center/static/7760.php
- http://www.securityfocus.com/bid/904
- http://marc.info/?l=bugtraq&m=94632241202626&w=2
- http://marc.info/?l=bugtraq&m=94780566911948&w=2
- http://www.iss.net/security_center/static/7760.php
- http://www.securityfocus.com/bid/904
→ the Explorer · watch your stack · NVD