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Tornado CVE-2024-42733

CRITICAL
Code Injection (CWE-94)
2025-03-07 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 1.88%.

Exploit ScenarioDerived

A remote attacker could inject and execute arbitrary code within the application by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
No patch listed yet 1.9% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An issue in Docmosis Tornado v.2.9.7 and before allows a remote attacker to execute arbitrary code via a crafted script to the UNC path input. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. An issue in Docmosis Tornado v.2.9.7 and before allows a remote attacker to execute arbitrary code via a crafted script to the UNC path input Affected products include: Docmosis Tornado.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
PoC Detected
Jun 23, 2025 - 19:40 vuln.today
Public exploit code
CVE Published
Mar 07, 2025 - 21:15 nvd
CRITICAL 9.8

DescriptionCVE.org

An issue in Docmosis Tornado v.2.9.7 and before allows a remote attacker to execute arbitrary code via a crafted script to the UNC path input

Executive ViewAI

Why It Matters

Organizations using Docmosis Tornado v.2.9.7 and face critical risk from CVE-2024-42733, a code injection vulnerability rated CVSS 9.8. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Deploy WAF rules to block injection patterns; (2) Restrict network access to affected components; (3) Enable enhanced logging for suspicious activity.

Threat Intelligence Overview

EPSS Score
1.9%
Top 17% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 1.9%
Patch available No
Active threat No
Deciding rule
CRITICAL severity + public POC available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

71
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:docmosis:tornado:*:*:*:*:*:*:*:*
CVE-2023-25266 HIGH POC
8.8 Feb 28

An issue was discovered in Docmosis Tornado prior to version 2.9.5. Rated high severity (CVSS 8.8), this vulnerability i

CVE-2025-67726 HIGH POC
7.5

py3-tornado in Alpine Linux received a security fix packaged as version 6.5.4-r0, addressing an unspecified vulnerabilit

CVE-2023-25265 HIGH POC
7.5 Feb 28

Docmosis Tornado <= 2.9.4 is vulnerable to Directory Traversal leading to the disclosure of arbitrary content on the fil

CVE-2023-25264 HIGH POC
7.5 Feb 28

An issue was discovered in Docmosis Tornado prior to version 2.9.5. Rated high severity (CVSS 7.5), this vulnerability i

CVE-2026-116577 MEDIUM POC
5.3 Oct 26

Tornado's HTTP/1.x header parser consumes quadratic CPU time when a header value is spread across many obsolete line-fol

CVE-2026-103262 HIGH
8.7 Oct 01

Denial of service in the Tornado web framework's CurlAsyncHTTPClient (all releases before 6.5.9) lets an unauthenticated

CVE-2026-31958 HIGH
8.7 Mar 11

In versions of Tornado prior to 6.5.5, the only limit on the number of parts in `multipart/form-data` is the `max_body_s

CVE-2026-91990 HIGH
8.7 Sep 15

Memory amplification denial of service in the Tornado Python web framework before 6.5.8 lets unauthenticated remote atta

CVE-2026-91992 HIGH
8.2 Sep 15

Credential leakage in Tornado's CurlAsyncHTTPClient (all releases through 6.5.6) lets sensitive per-request state — clie

CVE-2026-103263 HIGH
8.2 Oct 01

Unauthenticated local file disclosure in Tornado before 6.5.9 lets remote attackers read files outside a configured stat

CVE-2026-82397 HIGH
7.5 Aug 31

Denial-of-service in Tornado prior to 6.5.8 allows unauthenticated remote attackers to stall the entire server by sendin

CVE-2025-67725 HIGH
7.5

Tornado Python web framework on Alpine Linux received a security fix in package version 6.5.4-r0, addressing an uncharac

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