CVE-2020-26521 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00682.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Linuxfoundation	Nats-server

Configuration 1 [-]

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

Configuration 2 [-]

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-1028	Nil dereference in NATS JWT, DoS of nats-server
Github GHSA	GHSA-h2fg-54x9-5qhq	Nil dereference in NATS JWT, DoS of nats-server

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2020/11/02/2
https://github.com/nats-io/nats-server/commits/master
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-11-06T07:35:12

Updated: 2024-08-04T15:56:04.653Z

Reserved: 2020-10-02T00:00:00

Link: CVE-2020-26521

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-11-06T08:15:13.563

Modified: 2024-11-21T05:19:59.290

Link: CVE-2020-26521

Redhat

No data.

OpenCVE Enrichment

No data.

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