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Vulnerability record · CVE-2008-4247 · published 25 September 2008

CVE-2008-4247: Freebsd cross-site request forgery vulnerability

Freebsd · Freebsd

ftpd in OpenBSD 4.3, FreeBSD 7.0, NetBSD 4.0, Solaris, and possibly other operating systems interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.

7.5 CVSS 2.0 High EPSS 5.3% · top 7.7% CWE-352 · Cross-site request forgery
7.5CVSS 2.0 base score
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
30References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

ftpd in OpenBSD 4.3, FreeBSD 7.0, NetBSD 4.0, Solaris, and possibly other operating systems interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-014.txt.asc
http://bugs.proftpd.org/show_bug.cgi?id=3115
http://secunia.com/advisories/32068
http://secunia.com/advisories/32070
http://secunia.com/advisories/33341
http://security.FreeBSD.org/advisories/FreeBSD-SA-08:12.ftpd.asc
http://securityreason.com/achievement_securityalert/56
http://securityreason.com/securityalert/4313
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y.diff?r1=1.51&r2=1.52&f=h Exploit
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c.diff?r1=1.183&r2=1.184&f=h Exploit
http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html
http://www.securitytracker.com/id?1020946
http://www.securitytracker.com/id?1021112
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-014.txt.asc
http://bugs.proftpd.org/show_bug.cgi?id=3115
http://secunia.com/advisories/32068
http://secunia.com/advisories/32070
http://secunia.com/advisories/33341
http://security.FreeBSD.org/advisories/FreeBSD-SA-08:12.ftpd.asc
http://securityreason.com/achievement_securityalert/56
http://securityreason.com/securityalert/4313
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y.diff?r1=1.51&r2=1.52&f=h Exploit
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c
http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c.diff?r1=1.183&r2=1.184&f=h Exploit
http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html
http://www.securitytracker.com/id?1020946
http://www.securitytracker.com/id?1021112

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-4247), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.