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CVE-2015-6964

MEDIUM
5.3
CVSS Score
Published: September 25, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 12:31 AM UTC
1 product affected across 1 vendorMultibit Hd

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

MultiBit HD before 0.1.2 allows attackers to conduct bit-flipping attacks that insert unspendable Bitcoin addresses into the list that MultiBit uses to send fees to the developers. (Attackers cannot realistically steal these fees for themselves.) This occurs because there is no message authentication code (MAC).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Multibit Hd· Multibit
95%
v < 0.1.2
Affected range stops below 0.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitThird Party Advisory
Source: [email protected]
https://web.archive.org/web/20160506095434/https://multibit.org/blog/2015/07/25/bit-flipping-attack.html

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-697

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