Which products and versions are affected by CVE-1999-1510?

Affected: Bisonware FTP Server. The full list is in the CVE brief.

Is CVE-1999-1510 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-1999-1510 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-1999-1510?

Public exploit code is available.

Is there a fix for CVE-1999-1510?

Fixed versions are available, including Bisonware FTP Server <=4.1, Bisonware FTP Server 4.1.

How urgently should CVE-1999-1510 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-1999-1510

Q: What is CVE-1999-1510?

Buffer overflows in Bisonware FTP server prior to 4.1 allow remote attackers to cause a denial of service, and possibly execute arbitrary commands, via long (1) USER, (2) LIST, or (3) CWD commands.

Q: How urgently should CVE-1999-1510 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

HighPublic exploit

Buffer overflows in Bisonware FTP server prior to 4.1 allow remote attackers to cause a denial of service, and possibly execute arbitrary commands, via long (1) USER, (2) LIST, or (3) CWD commands.

Published May 17, 1999 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-1999-1510 is a high-severity vulnerability (CVSS 7.5 v2) affecting Bisonware FTP Server.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 67% probability of exploitation in the next 30 days.
Fixed versions are available, including Bisonware FTP Server <=4.1, Bisonware FTP Server 4.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

7.5

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

EPSS (30-day exploit likelihood)

67%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-1999-1510 brief as a PDF

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Description

Buffer overflows in Bisonware FTP server prior to 4.1 allow remote attackers to cause a denial of service, and possibly execute arbitrary commands, via long (1) USER, (2) LIST, or (3) CWD commands.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Bisonware FTP ServerBisonware	See advisory	4.1

Patched Releases

Bisonware FTP Server

<=4.1

Timeline

Publicly disclosed
May 17, 1999
Last updated
Apr 15, 2026

References

exploitMSF bison_ftp_bof.rb
exploitExploitDB-17649
exploitExploitDB-17810
exploitExploitDB-19219
other19990517 Vulnerabilities in BisonWare FTP Server 3.5

1 more references in the full CVE brief

FAQ

Common Questions.

Buffer overflows in Bisonware FTP server prior to 4.1 allow remote attackers to cause a denial of service, and possibly execute arbitrary commands, via long (1) USER, (2) LIST, or (3) CWD commands.
Affected: Bisonware FTP Server. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Bisonware FTP Server <=4.1, Bisonware FTP Server 4.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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