CVE-2020-5723 json
The UCM6200 series 1.0.20.22 and below stores unencrypted user passwords in an SQLite database.
published 2020-03-30 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26882
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.9%
- EPSS 5.9% chance of exploitation in 30 days, percentile 93%
- public exploits
- 1
- Metasploit
Summary
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.
Patch / fix
- grandstream ucm6202_firmware 1.0.20.22
- grandstream ucm6204_firmware 1.0.20.22
- grandstream ucm6208_firmware 1.0.20.22
Timeline
- First public exploit (Metasploit auxiliary/gather/grandstream_ucm62xx_sql_account_guess)
- Published
Exploit prediction
5.89% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/gather/grandstream_ucm62xx_sql_account_guess Grandstream UCM62xx IP PBX WebSocket Blind SQL Injection Credential Dump metasploit auxiliary, normal rank, 2020-03-30
- tenable.com https://www.tenable.com/security/research/tra-2020-17 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a Grandstream UCM6200 series
Classification
- Weakness
-
- CWE-312 Cleartext Storage of Sensitive Information
References
-
tenable.com
/security/research/tra-2020-17
exploit, third-party-advisory
Sources
- CVE List CVE-2020-5723
- NVD CVE-2020-5723
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