Vulnerability Details CVE-2021-29488
SABnzbd is an open source binary newsreader. A vulnerability was discovered in SABnzbd that could trick the `filesystem.renamer()` function into writing downloaded files outside the configured Download Folder via malicious PAR2 files. A patch was released as part of SABnzbd 3.2.1RC1. As a workaround, limit downloads to NZBs without PAR2 files, deny write permissions to the SABnzbd process outside areas it must access to perform its job, or update to a fixed version.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.6%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 5.0
References
Products affected by CVE-2021-29488
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cpe:2.3:a:sabnzbd:sabnzbd:-
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.0
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.1
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.10
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.11
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.12
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.14
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.15
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.2
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.3
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.4
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.5
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.6
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.7
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.8
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cpe:2.3:a:sabnzbd:sabnzbd:0.6.9
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.0
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.1
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.10
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.11
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.12
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.13
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.14
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.15
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.16
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.17
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.18
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.19
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.2
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.20
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.3
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.4
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.5
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.6
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.7
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.8
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cpe:2.3:a:sabnzbd:sabnzbd:0.7.9
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cpe:2.3:a:sabnzbd:sabnzbd:1.0.0
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cpe:2.3:a:sabnzbd:sabnzbd:1.0.1
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cpe:2.3:a:sabnzbd:sabnzbd:1.0.2
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cpe:2.3:a:sabnzbd:sabnzbd:1.0.3
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cpe:2.3:a:sabnzbd:sabnzbd:1.1.0
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cpe:2.3:a:sabnzbd:sabnzbd:1.1.1
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cpe:2.3:a:sabnzbd:sabnzbd:1.2.0
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cpe:2.3:a:sabnzbd:sabnzbd:1.2.1
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cpe:2.3:a:sabnzbd:sabnzbd:1.2.2
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cpe:2.3:a:sabnzbd:sabnzbd:1.2.3
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cpe:2.3:a:sabnzbd:sabnzbd:2.0.0
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cpe:2.3:a:sabnzbd:sabnzbd:2.0.1
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cpe:2.3:a:sabnzbd:sabnzbd:2.1.0
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cpe:2.3:a:sabnzbd:sabnzbd:2.2.0
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cpe:2.3:a:sabnzbd:sabnzbd:2.2.1
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.0
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.1
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.2
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.3
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.4
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.5
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.6
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.7
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.8
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cpe:2.3:a:sabnzbd:sabnzbd:2.3.9
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cpe:2.3:a:sabnzbd:sabnzbd:3.0.0
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cpe:2.3:a:sabnzbd:sabnzbd:3.0.1
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cpe:2.3:a:sabnzbd:sabnzbd:3.0.2
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cpe:2.3:a:sabnzbd:sabnzbd:3.1.0
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cpe:2.3:a:sabnzbd:sabnzbd:3.1.1
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cpe:2.3:a:sabnzbd:sabnzbd:3.2.0
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cpe:2.3:o:apple:macos:-
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cpe:2.3:o:linux:linux_kernel:-
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cpe:2.3:o:microsoft:windows:-