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CVE-1999-0074

21
FAUCET Score

CVE-1999-0074 describes a vulnerability where sequentially allocated TCP ports allow for spoofing attacks, impacting various operating systems including FreeBSD, Linux, Microsoft, and NetBSD. This medium-severity vulnerability (CVSS 6.4) can be exploited remotely with low complexity, potentially leading to partial confidentiality and integrity compromise. Despite its age, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6.2CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:*
2.6.20.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.20.1:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:*:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.40%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0840 is in the 93rd percentile among its peer group of 23,723 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

cve.org / CVERecord