CVE-2021-38385
CVSS v3
7.5
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.
Technical details
- Published
- 2021-08-30
Frequently asked questions
What is CVE-2021-38385?
Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.
Is CVE-2021-38385 actively exploited?
Active exploitation of CVE-2021-38385 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-38385?
CVE-2021-38385 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-38385 affecting your environment?
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