CVE-2021-39521
 
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function bit_read_BB() located in bits.c. It allows an attacker to cause Denial of Service.
Se ha detectado un problema en libredwg versiones hasta 0.10.1.3751. Se presenta una desreferencia de puntero NULL en la funciĆ³n bit_read_BB() ubicada en el archivo bits.c. Permite a un atacante causar una DenegaciĆ³n de Servicio
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-23 CVE Reserved
- 2021-09-20 CVE Published
- 2024-06-05 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (1)
URL | Tag | Source |
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URL | Date | SRC |
---|---|---|
https://github.com/LibreDWG/libredwg/issues/262 | 2024-08-04 |
URL | Date | SRC |
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URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Gnu Search vendor "Gnu" | Libredwg Search vendor "Gnu" for product "Libredwg" | <= 0.10.1.3751 Search vendor "Gnu" for product "Libredwg" and version " <= 0.10.1.3751" | - |
Affected
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