CVE-2021-26917

MEDIUM

PyBitmessage <0.6.3.2 - Info Disclosure

Title source: llm
STIX 2.1

Description

PyBitmessage through 0.6.3.2 allows attackers to write screen captures to Potentially Unwanted Directories via a crafted apinotifypath value. NOTE: the discoverer states "security mitigation may not be necessary as there is no evidence yet that these screen intercepts are actually transported away from the local host." NOTE: it is unclear whether there are any common use cases in which apinotifypath is controlled by an attacker

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://poal.co/s/technology/290479
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/Bitmessage/PyBitmessage/releases
Third Party Advisory x_refsource_misc
https://attack.mitre.org/techniques/T1113/

Scores

CVSS v3 5.5
EPSS 0.0055
EPSS Percentile 42.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (1)
bitmessage/pybitmessage < 0.6.3.2
Published Feb 08, 2021
Tracked Since Feb 18, 2026