KEV Intelligence

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2022-4984

ZenTao Biz SQL Injection

Qingdao Esoft Tianchuang Network Technology Co. / ZenTao Biz · affected before 6.5

View live feed Monitor via API Watch CVE
Severity
CVSS 8.7 · High
Confidence
High
Exploit status
Exploited in the wild
EPSS
0.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2022-4984 is an unauthenticated vulnerability affecting Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Biz and 2 other products. ZenTao Biz < 6.5, ZenTao Max < 3.0, ZenTao Open Source Edition < 16.5,...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Qingdao Esoft Tianchuang Network Technology Co., Ltd. / ZenTao Biz affected before 6.5.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

ZenTao Biz SQL Injection

ZenTao Biz < 6.5, ZenTao Max < 3.0, ZenTao Open Source Edition < 16.5, and ZenTao Open Source Edition < 16.5.beta1 contain an SQL injection vulnerability in the login functionality. The application does not properly validate the account parameter on /zentao/user-login.html before using it in a database query.

A remote unauthenticated attacker can exploit this issue to execute crafted SQL expressions and retrieve sensitive information from the backend database, including user and application data. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-07 UTC.

Vendor Product Affected Status
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Biz Before 6.5 Affected
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Max Before 3.0 Affected
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Open Source Edition Before 16.5 Affected
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Open Source Edition Before 16.5.beta1 Affected
View vendor advisory (opens in new tab)
Published
13 Nov 2025
Exploitation Reported
24 Jan 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2022-4984
  • Patch — zentao.pm zentao.pm · Patch https://www.zentao.pm/download/zentao-community-edition-release-65-11...
  • Patch — zentao.pm zentao.pm · Patch https://www.zentao.pm/download/zentao-community-edition-release-30-11...
  • Patch — zentao.pm zentao.pm · Patch https://www.zentao.pm/download/zentao-community-edition-release-165-1...
  • Patch — zentao.pm zentao.pm · Patch https://www.zentao.pm/download/zentao-community-edition-release-1651-...
  • Third-Party Advisory — vulncheck.com vulncheck.com · Third-Party Advisory https://www.vulncheck.com/advisories/zentao-biz-max-and-open-source-e...
  • Government Resource — cnvd.org.cn cnvd.org.cn · Government Resource https://www.cnvd.org.cn/flaw/show/CNVD-2022-42853

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 24 Jan 2026

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access
Source Added
The Shadowserver First 2026-01-24 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS

0.4%

Weaknesses

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE-89

Timeline

From disclosure to observed exploitation

  1. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  2. CVE published

    Vulnerability disclosed publicly

  3. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

View Pro pricing Read API docs
  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2022-4984

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2022-4984",
  "confidence": "High",
  "cvss_score": 8.7,
  "cvss_estimated": false,
  "epss_score": 0.0045,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

Get alerts on high-impact exploitation

Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.

Occasional high-impact alerts. Unsubscribe anytime. See our Privacy Policy.