What’s Vulnerable › Vulnerabilities

CVE-1999-1156

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-05-17 · updated 2026-06-16

Description

BisonWare FTP Server 4.1 and earlier allows remote attackers to cause a denial of service via a malformed PORT command that contains a non-numeric character and a large number of carriage returns.

Affected products

• Bisonware Ftp Server: through 4.1

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/2254
• https://exchange.xforce.ibmcloud.com/vulnerabilities/2254

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