CVE Vulnerability

CVE-2020-26521

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

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.openwall.com/lists/oss-security/2020/11/02/2 Mailing List Third Party Advisory
https://github.com/nats-io/nats-server/commits/master Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Information

Published : 2020-11-06 08:15

Updated : 2022-01-01 06:18

NVD link : CVE-2020-26521

Mitre link : CVE-2020-26521

Products Affected
No products.
CWE
CWE-476