HOMEVULNERABILITIESCVE-2021-43481
CRITICALPOC

CVE-2021-43481

CWE-89Published: April 20, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An SQL Injection vulnerability exists in Webtareas 2.4p3 and earlier via the $uq HTTP POST parameter in editapprovalstage.php.

NVD Source

Technical Analysis

CVE-2021-43481 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2021-43481. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

webtareas_project1 product(s)
webtareas
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2021-43481
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-89
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedApr 20, 2022

Related CVEs (CWE-89)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-43481 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.