CVE-2020-5758: grandstream ucm6202_firmware OS Command Injection
CVSS: 9.0v2.0HighModified
Published 17-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-5758 is a high (CVSS 9.0) OS Command Injection vulnerability in grandstream ucm6202_firmware. EPSS estimates a 4.38% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
4.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can execute commands as the root user by sending a crafted HTTP GET to the UCM's "Old" HTTPS API.
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
4.38%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.38% on 21-09-2026
21-09-202621-10-2026
EPSS score4.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Grandstream3 products
- ucm6202_firmware≤ 1.0.20.23
- ucm6204_firmware≤ 1.0.20.23
- ucm6208_firmware≤ 1.0.20.23
1 vendor · 3 products
References
2 links- www.tenable.com/cve/CVE-2020-5758Not Applicable