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CVE-2020-5722

98
FAUCET Score

CVE-2020-5722 is a critical unauthenticated remote SQL injection vulnerability affecting the HTTP interface of Grandstream UCM6200 series IP PBX devices. This flaw allows attackers to execute shell commands as root on older firmware versions or inject HTML into password recovery emails on newer versions. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, it poses a significant risk. The vulnerability is actively exploited in the wild, with public exploit code available in Metasploit and ExploitDB, and has garnered substantial community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.19.20CPE matchmatch criteria
cpe:2.3:o:grandstream:ucm6200_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
83.93%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Jan 28, 2022
Metasploit: Grandstream UCM62xx IP PBX sendPasswordEmail RCE · Mar 23, 2020
Nuclei: CVE-2020-5722 · Jan 21, 2026
ExploitDB: EDB-48247 · Mar 24, 2020
This CVE's current EPSS score of 0.8393 is in the 98th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
nxpvendor investigatingvia llm_extracted
openfirevendor investigatingvia llm_extracted
openstackvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (6)

maxkbllm-maxkb-a1a2982c583d9e58CRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020
openstackllm-openstack-b8a96f36850ec21cCRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020
nxpllm-nxp-fc43e53a92652f2fCRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020
boschllm-bosch-e64ef19035087029CRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020
opnsensellm-opnsense-561faff014afc702CRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020
openfirellm-openfire-0607b4bc796d4ce2CRITICAL

Grandstream UCM62xx SQL Injection

Mar 23, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/156876/UCM6202-1.0.18.13-Remote-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/165708/Grandstream-UCM62xx-IP-PBX-sendPasswordEmail-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
tenable.com / security/research/tra-2020-15
ExploitThird Party Advisory