CVE-1999-0393: eric_allman sendmail
CVSS: 5.0v2.0MediumModified
Published 13-10-2000Last modified 01-08-2024
Vulnerability summary
CVE-1999-0393 is a medium (CVSS 5.0) vulnerability in eric_allman sendmail. EPSS estimates a 2.43% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
2.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Timeline
- 13-10-2000PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.43%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.43% on 19-09-2026
19-09-202619-10-2026
EPSS score2.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSendmail 8.9.2 - Headers Prescan Denial of Service
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Eric_allman1 product
- sendmail8.8 | 8.9.2
1 vendor · 1 product