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CVE-1999-0103

34
FAUCET Score

CVE-1999-0103 describes a denial-of-service vulnerability where a server can be flooded by combining UDP services like echo and chargen, creating a "UDP bomb" or "packet storm." This medium-severity vulnerability has a CVSS score of 5.0, indicating it can be exploited remotely with low complexity to cause partial availability impact. While there are no specific affected products listed and it's not on the KEV catalog, a Metasploit auxiliary module exists for probing chargen, though there's no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
N/AN/A
n/aCNA affected

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
14.63%
Probability of exploitation in next 30 days
EPSS Percentile
96.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Metasploit: Chargen Probe Utility · Feb 8, 1996
This CVE's current EPSS score of 0.1463 is in the 96th percentile among its peer group of 23,725 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

securityfocus.com / bid/80171
ics-cert.us-cert.gov / advisories/ICSMA-18-233-01