// For flags

CVE-2020-26521

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).

La biblioteca JWT en NATS nats-server versiones anteriores a 2.1.9, permite una denegación de servicio (una desreferencia nil en el código Go)

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-02 CVE Reserved
  • 2020-11-06 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linuxfoundation
Search vendor "Linuxfoundation"
 Nats-server
Search vendor "Linuxfoundation" for product "Nats-server"
 < 2.1.9
Search vendor "Linuxfoundation" for product "Nats-server" and version " < 2.1.9"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected