What is CVE-2019-7383?

CVE-2019-7383 is a high-severity vulnerability in Systrome Cumilon Isg-600c, classified under OS Command Injection. CVSS score: 7.8/10. Published 2019-03-21.

How severe is CVE-2019-7383?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2019-7383 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Systrome Cumilon Isg-600c

CVE-2019-7383

An issue was discovered on Systrome Cumilon ISG-600C, ISG-600H, and ISG-800W devices with firmware V1.1-R2.1_TRUNK-20181105.bin. A shell command injection occurs by editing the description of an ISP file. The file network/isp/isp_update_edit.php does not properly validate user input, which leads to shell command injection via the des parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Systrome Cumilon Isg-600c
Systrome Cumilon Isg-600c Firmware — versions 1.1-r2.1
Systrome Cumilon Isg-600h
Systrome Cumilon Isg-600h Firmware — versions 1.1-r2.1
Systrome Cumilon Isg-800w
Systrome Cumilon Isg-800w Firmware — versions 1.1-r2.1

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

packetstormsecurity.com/files/151648/SYSTORME-ISG-Command-Injection.html (Exploit, VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2019/Feb/32 (mailing-list, Exploit, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/107035 (VDB Entry, Third Party Advisory, vdb-entry)
s3curityb3ast.github.io/KSA-Dev-003.md (Third Party Advisory)
www.breakthesec.com/2019/02/cve-2019-7383-remote-code-execution-via.html (Third Party Advisory)

Frequently asked questions

What is CVE-2019-7383?: CVE-2019-7383 is a high-severity vulnerability in Systrome Cumilon Isg-600c, classified under OS Command Injection. CVSS score: 7.8/10. Published 2019-03-21.
How severe is CVE-2019-7383?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-7383 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.