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CVE-1999-0204

40
FAUCET Score

CVE-1999-0204 describes a critical remote command execution vulnerability in Sendmail version 8.6.9, specifically exploitable via the ident protocol. This flaw carries a CVSS score of 10.0 (HIGH), indicating a network-based attack with low complexity, requiring no authentication, and leading to complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code is publicly available through ExploitDB, suggesting potential for exploitation. Despite its age and high severity, there is no recorded community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.6.9CPE matchmatch criteria
cpe:2.3:a:eric_allman:sendmail:8.6.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.84%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20599 · Feb 24, 1994
This CVE's current EPSS score of 0.0884 is in the 91st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/CVE-1999-0204