VulnerabilityModified
CVE-2011-2523
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
CRITICAL 9.8EPSS 96.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 96.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 96.18% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- vsftpd project/vsftpd · debian/debian linux
- Source
- secalert@redhat.com
References
- http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html
- https://access.redhat.com/security/cve/cve-2011-2523Third Party Advisory
- https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://security-tracker.debian.org/tracker/CVE-2011-2523Third Party Advisory
- https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805Third Party Advisory
- https://www.openwall.com/lists/oss-security/2011/07/11/5Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html
- https://access.redhat.com/security/cve/cve-2011-2523Third Party Advisory
- https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://security-tracker.debian.org/tracker/CVE-2011-2523Third Party Advisory
- https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805Third Party Advisory
- https://www.openwall.com/lists/oss-security/2011/07/11/5Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.