CVE-2011-2523

CVSS V2 High 10 CVSS V3 Critical 9.8
Description
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
Overview
  • CVE ID
  • CVE-2011-2523
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-11-27T21:15:12
  • Last Modified Date
  • 2021-04-12T19:15:13
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:vsftpd_project:vsftpd:2.3.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 10
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://security-tracker.debian.org/tracker/CVE-2011-2523 Third Party Advisory
https://www.openwall.com/lists/oss-security/2011/07/11/5 Mailing List Third Party Advisory
https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805 Third Party Advisory
https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html Exploit Third Party Advisory VDB Entry
https://access.redhat.com/security/cve/cve-2011-2523 Third Party Advisory
http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-2523
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2523
History
Created Old Value New Value Data Type Notes
2022-05-10 07:16:04 Added to TrackCVE
2022-12-04 07:09:50 2019-11-27T21:15Z 2019-11-27T21:15:12 CVE Published Date updated
2022-12-04 07:09:50 2021-04-12T19:15:13 CVE Modified Date updated
2022-12-04 07:09:50 Modified Vulnerability Status updated