// For flags

CVE-2020-17528

Apache NuttX (incubating) Out of Bound Write from invalid TCP Urgent length

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.

Una vulnerabilidad de escritura fuera de límites en la pila TCP de Apache NuttX (incubating) versiones hasta e incluyendo a 9.1.0 y 10.0.0, permite a un atacante corromper la memoria al suministrar compensaciones arbitrarias de puntero de datos urgentes dentro de los paquetes TCP, inclusive más allá de la longitud del paquete

*Credits: Apache NuttX would like to thank Forescout for reporting the issue
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-08-12 CVE Reserved
  • 2020-12-09 CVE Published
  • 2024-12-17 EPSS Updated
  • 2025-02-13 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Nuttx
Search vendor "Apache" for product "Nuttx"
 <= 9.1.0
Search vendor "Apache" for product "Nuttx" and version " <= 9.1.0"
-
Affected
Apache
Search vendor "Apache"
 Nuttx
Search vendor "Apache" for product "Nuttx"
 10.0.0
Search vendor "Apache" for product "Nuttx" and version "10.0.0"
-
Affected