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CVE-1999-1149

15
FAUCET Score

CVE-1999-1149 describes a buffer overflow vulnerability in CSM Proxy version 4.1. This flaw allows remote unauthenticated attackers to trigger a denial of service by sending an excessively long string to the FTP port, causing the proxy to crash. The vulnerability is rated Medium severity with a CVSS score of 5.0, indicating it can be exploited over the network with low complexity to achieve partial availability impact. There is no evidence of active exploitation, nor are there known public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:computer_software_manufaktur:csm_proxy:4.1:*:*:*:*:*:*:*

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
1.37%
Probability of exploitation in next 30 days
EPSS Percentile
69.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 50th percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/1422