Vulnerability Monitor

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CVE-2011-2523

vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.

Published

2019-11-27T21:15:12.387

Last Modified

2024-11-21T01:28:27.540

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vsftpd_project	vsftpd	2.3.4	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html ([email protected])
https://access.redhat.com/security/cve/cve-2011-2523 Third Party Advisory ([email protected])
https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html Exploit, Third Party Advisory, VDB Entry ([email protected])
https://security-tracker.debian.org/tracker/CVE-2011-2523 Third Party Advisory ([email protected])
https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2011/07/11/5 Mailing List, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/cve-2011-2523 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security-tracker.debian.org/tracker/CVE-2011-2523 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2011/07/11/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)