CVE-2020-26521

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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).

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/
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%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/
Configurations

Configuration 1 (hide)

cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
History

21 Nov 2024, 05:19

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2020/11/02/2 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2020/11/02/2 - Mailing List, Third Party Advisory
References () https://github.com/nats-io/nats-server/commits/master - Patch, Third Party Advisory () https://github.com/nats-io/nats-server/commits/master - Patch, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ -

01 Jan 2022, 18:18

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Information

Published : 2020-11-06 08:15

Updated : 2024-11-21 05:19

NVD link : CVE-2020-26521

Mitre link : CVE-2020-26521

CVE.ORG link : CVE-2020-26521

JSON object : View

Products Affected

linuxfoundation

  • nats-server

fedoraproject

  • fedora
CWE
CWE-476

NULL Pointer Dereference