CRITICAL

CVE-2015-9235

CVSS v3

9.8

CRITICAL

EPSS Score

32.5%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

In jsonwebtoken node module before 4.2.2 it is possible for an attacker to bypass verification when a token digitally signed with an asymmetric key (RS/ES family) of algorithms but instead the attacker send a token digitally signed with a symmetric algorithm (HS* family).

Technical details

Published
5/29/2018

Frequently asked questions

What is CVE-2015-9235?

In jsonwebtoken node module before 4.2.2 it is possible for an attacker to bypass verification when a token digitally signed with an asymmetric key (RS/ES family) of algorithms but instead the attacker send a token digitally signed with a symmetric algorithm (HS* family).

Is CVE-2015-9235 actively exploited?

Active exploitation of CVE-2015-9235 has not been confirmed. The EPSS score is 32.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-9235?

CVE-2015-9235 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2015-9235 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.