CVE-2020-15572

moderate-risk
Published 2020-07-15

Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.

Do I need to act?

-
0.51% 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
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Tor
Tor
Tor

Affected Vendors

Torproject

References (6)

Release Notes https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes
Vendor Advisory https://gitlab.torproject.org/tpo/core/tor/-/issues/33119
Vendor Advisory https://trac.torproject.org/projects/tor/wiki/TROVE
Release Notes https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes
Vendor Advisory https://gitlab.torproject.org/tpo/core/tor/-/issues/33119
Vendor Advisory https://trac.torproject.org/projects/tor/wiki/TROVE
37
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 9/34 · Low