CVE-2020-5722
Grandstream — Grandstream Networks UCM6200 Series SQL Injection Vulnerability
Grandstream · CWE-89 — SQL injection · in CISA KEV since 2022-01-28
EVRS 83 of 100 Urgent
Patch This Cycle
Rank 521 of 2,960 tracked
Why it scores 83
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.844.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
ucm6200 firmware: update to 1.0.19.20 or later
Affected versions
- ucm6200 firmware
< 1.0.19.20 - ucm6200
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.844 (99.7th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2022-07-28 · KEV since 2022 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by tenable. | Listed | ENISA EUVD |
Description
NVDThe HTTP interface of the Grandstream UCM6200 series is vulnerable to an unauthenticated remote SQL injection via crafted HTTP request. An attacker can use this vulnerability to execute shell commands as root on versions before 1.0.19.20 or inject HTML in password recovery emails in versions before 1.0.20.17.
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: Grandstream UCM62xx IP PBX sendPasswordEmail RCE (linux/http/grandstream_ucm62xx_sendemail_rce). A module existing is not the same as active exploitation; see metasploit.com.