VulnerabilityModified
CVE-2022-31814
pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header.
CRITICAL 9.8EPSS 91.9%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 91.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.
- 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
- 91.88% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- netgate/pfblockerng
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.htmlRelease Notes, Vendor Advisory
- https://github.com/pfsense/FreeBSD-ports/pull/1169
- https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/Exploit, Technical Description, Third Party Advisory
- http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.htmlRelease Notes, Vendor Advisory
- https://github.com/pfsense/FreeBSD-ports/pull/1169
- https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/Exploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.