Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2022-4984

ZenTao Biz SQL Injection

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

Watch CVE-2022-4984 Browse KEV feed
Severity
CVSS 8.7 · High
Confidence
High
Exploit status
Exploited in the wild
EPSS
0.5%
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 ZenTao Biz and 2 other products. ZenTao Biz < 6.5, ZenTao Max < 3.0, ZenTao Open Source Edition < 16.5, and...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Qingdao Esoft Tianchuang Network Technology / 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.

Qingdao Esoft Tianchuang Network Technology Co., Ltd. Affected
ZenTao Biz
Before 6.5
Qingdao Esoft Tianchuang Network Technology Co., Ltd. Affected
ZenTao Max
Before 3.0
Qingdao Esoft Tianchuang Network Technology Co., Ltd. Affected
ZenTao Open Source Edition
Before 16.5 Before 16.5.beta1
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 Previdian 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

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian 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
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian 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

Potential damage if exploited. Separate from whether attackers are using it.

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

0.5%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

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

Timeline

From disclosure to observed exploitation

  1. 00:00 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  2. 19:37 UTC

    CVE published

    Vulnerability disclosed publicly

  3. 18:08 UTC

    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.

Start 14-day Pro trial 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

Sample API response 
{
  "cve_id": "CVE-2022-4984",
  "confidence": "High",
  "cvss_score": 8.7,
  "cvss_estimated": false,
  "epss_score": 0.00483,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}