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CVE-2020-5757: grandstream ucm6202_firmware OS Command Injection

CVSS: 10.0v2.0HighModified
Published 17-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5757 is a high (CVSS 10.0) OS Command Injection vulnerability in grandstream ucm6202_firmware. EPSS estimates a 6.93% chance of exploitation in the next 30 days, higher than 94% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
6.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last 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 bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

6.93%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.93% on 21-09-2026

21-09-202621-10-2026
EPSS score
6.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Grandstream3 products

1 vendor · 3 products

References

2 links