CVE-1999-1109: sendmail
Vulnerability summary
CVE-1999-1109 is a medium (CVSS 5.0) vulnerability in sendmail. EPSS estimates a 7.17% chance of exploitation in the next 30 days, higher than 94.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 09-03-2002PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
7.17%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.17% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundEric Allman Sendmail 8.9.1/8.9.3 - ETRN Denial of Service
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Sendmail1 product
- sendmail≤ 8.10.0
1 vendor · 1 product