CVE-2020-15572
HIGH
7.5
CVSS Score
Published: July 15, 2020 at 04:02 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
1 product affected across 1 vendorTor
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 0.3.5.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.4.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.4.3.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixesx_refsource_MISCVendor Advisory
Source: [email protected]
https://gitlab.torproject.org/tpo/core/tor/-/issues/33119x_refsource_MISCVendor Advisory
Source: [email protected]
https://trac.torproject.org/projects/tor/wiki/TROVECVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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