CVE-2019-15608
low-risk
Published 2020-03-15
The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack.
Do I need to act?
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0.46% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (1)
Yarn
Affected Vendors
References (6)
25
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal