Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-16701

49
FAUCET Score

CVE-2019-16701 is a remote code injection vulnerability affecting pfSense versions 2.3.4 through 2.4.4-p3. It allows an authenticated attacker to execute arbitrary commands by injecting shell metacharacters into a parameter value within a methodCall XML document using the pfsense.exec_php call. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed on the KEV catalog or Hot List, a public exploit is available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.3.4, < 2.4.4CPE matchmatch criteria
cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*
2.4.4CPE matchmatch criteria
cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:*
2.4.4CPE matchmatch criteria
cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:*
2.4.4CPE matchmatch criteria
cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:*
2.4.4CPE matchmatch criteria
cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
19.61%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-47413 · Sep 24, 2019
This CVE's current EPSS score of 0.1961 is in the 96th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html
ExploitThird Party AdvisoryVDB Entry
github.com / pfsense/pfsense/commits/master
Third Party Advisory
hackernews.blog / pfsense-2-3-4-2-4-4-p3-remote-code-injection
ExploitThird Party Advisory