CVE-2019-9972: 3cx phone_system_firmware Command Injection
CVSS: 9.0v2.0HighModified
Published 07-06-2022Last modified 04-08-2024
Vulnerability summary
CVE-2019-9972 is a high (CVSS 9.0) Command Injection vulnerability in 3cx phone_system_firmware. EPSS estimates a 1.74% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
1.74%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 07-06-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
PhoneSystem Terminal in 3CX Phone System (Debian based installation) 16.0.0.1570 allows an authenticated attacker to run arbitrary commands with the phonesystem user privileges because of "<space><space> followed by <shift><enter>" mishandling.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.74%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.74% on 22-09-2026
22-09-202622-10-2026
EPSS score1.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gosecure.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
3cx1 product
- phone_system_firmware16.0.0.1570
Debian1 product
2 vendors · 2 products
References
2 links- www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/X Refsource MISCExploitThird Party Advisory