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CVE-2020-10666

29
FAUCET Score

CVE-2020-10666 is a critical remote code execution vulnerability affecting Sangoma FreePBX and PBXact versions 13, 14, and 15 through 15.0.19.2, specifically within the restapps module. This flaw allows an unauthenticated attacker to execute arbitrary code by manipulating a URL variable in an AMI command. With a CVSS score of 9.8, it poses a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 13.0, <= 13.0.93.2CPE matchmatch criteria
cpe:2.3:a:sangoma:restapps:*:*:*:*:*:*:*:*
>= 14.0, <= 14.0.22.2CPE matchmatch criteria
cpe:2.3:a:sangoma:restapps:*:*:*:*:*:*:*:*
>= 15.0, <= 15.0.19.2CPE matchmatch criteria
cpe:2.3:a:sangoma:restapps:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 70th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wiki.freepbx.org / display/FOP/2020-03-12+SECURITY%3A+Potential+Rest+Phone+Apps+RCE
Vendor Advisory
wiki.freepbx.org / display/FOP/List+of+Securities+Vulnerabilities
Vendor Advisory