Crimson
CVE-2020-27279
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.14%. |
| Exploit ScenarioDerived | A remote attacker could crash the application by dereferencing a null pointer by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A NULL pointer deference vulnerability has been identified in the protocol converter. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
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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 NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001). Affected products include: Redlion Crimson. Version information: prior to 3119.001.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001).
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
The Crimson 3.2 Windows-based configuration tool allows users with administrative access to define new passwords for use
The default configuration of Crimson 3.1 (Build versions prior to 3119.001) allows a user to be able to read and modify
Red Lion Controls Crimson, version 3.0 and prior and version 3.1 prior to release 3112.00, allow multiple vulnerabilitie
Red Lion Controls Crimson, version 3.0 and prior and version 3.1 prior to release 3112.00, allow multiple vulnerabilitie
Red Lion Controls Crimson, version 3.0 and prior and version 3.1 prior to release 3112.00, allow multiple vulnerabilitie
Red Lion Controls Crimson, version 3.0 and prior and version 3.1 prior to release 3112.00, uses a hard-coded password to
An attacker could send a specially crafted message to Crimson 3.1 (Build versions prior to 3119.001) that could leak arb
Red Lion Controls Crimson 3.0 versions 707.000 and prior, Crimson 3.1 versions 3126.001 and prior, and Crimson 3.2 versi
GitHub PoC
Exploit-DB