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ExploitedIn CISA KEVFix available

CVE-2020-5722

Exploitation confirmed. First attested on 2022-01-28 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

  • Published2020-03-23
  • Fixed in1.0.19.20
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The 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.

Timeline

dates in UTC
  1. 2020-03-2320:15CVE publishedNVD
  2. 2020-03-24Exploit-DB entryExploit-DB
  3. 2022-01-28Added to the CISA KEV catalogCISA KEV
  4. 2022-01-28Listed as exploited by GCVEGCVE
  5. 2022-01-28Exploitation first reportedCISA KEV
  6. 2025-02-0620:27SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-5722?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-5722?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Grandstream ucm6200 firmwareversion to verify
BranchAffectedFixed in
1.0< 1.0.19.201.0.19.20

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As tenable, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Grandstream UCM6200 Series
    Affected
    • = Before 1.0.20.17no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-01-25

Fix

  1. Update Grandstream ucm6200 firmware to 1.0.19.20
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-07-28

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-48247
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/grandstream_ucm62xx_sendemail_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-01-28
Patch Due Date
2022-07-28
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-03-23
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-cggp-723h-vg48

Frequently asked questions

What is CVE-2020-5722?

The 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.

Is CVE-2020-5722 actively exploited?

Yes. CVE-2020-5722 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-07-28.

What is the CVSS score for CVE-2020-5722?

CVE-2020-5722 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record