9.8

CVE-2020-5723: grandstream ucm6202_firmware

CVSS: 9.8v3.1CriticalModified
Published 30-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5723 is a critical (CVSS 9.8) vulnerability in grandstream ucm6202_firmware. EPSS estimates a 5.89% chance of exploitation in the next 30 days, higher than 93.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
5.89%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, metasploit

Timeline

  1. 30-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database. This could allow an attacker to retrieve all passwords and possibly gain elevated privileges.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

5.89%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.89% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (tenable.com)

    Maturity: unknown

  • MetasploitMetasploitremoteUnverified

    Grandstream UCM62xx IP PBX WebSocket Blind SQL Injection Credential Dump

    auxiliary/gather/grandstream_ucm62xx_sql_account_guess

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Grandstream3 products

1 vendor · 3 products

References

1 links