Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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).

Published

2020-11-06T08:15:13.563

Last Modified

2024-11-21T05:19:59.290

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	linuxfoundation	nats-server	< 2.1.9	Yes
Operating System	fedoraproject	fedora	33	Yes

References

http://www.openwall.com/lists/oss-security/2020/11/02/2 Mailing List, Third Party Advisory ([email protected])
https://github.com/nats-io/nats-server/commits/master Patch, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ ([email protected])
http://www.openwall.com/lists/oss-security/2020/11/02/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nats-io/nats-server/commits/master Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/ (af854a3a-2127-422b-91ae-364da2661108)