CVE-2015-9235

high-risk
Published 2018-05-29

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).

Do I need to act?

!
32.5% chance of exploitation in next 30 days
EPSS score — higher than 68% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Jsonwebtoken

Affected Vendors

53
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal