Vulnerability Details CVE-2021-32559
An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.2%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
Products affected by CVE-2021-32559
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cpe:2.3:a:mhammond:pywin32:-
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cpe:2.3:a:mhammond:pywin32:126
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cpe:2.3:a:mhammond:pywin32:127
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cpe:2.3:a:mhammond:pywin32:128
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cpe:2.3:a:mhammond:pywin32:129
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cpe:2.3:a:mhammond:pywin32:129f
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cpe:2.3:a:mhammond:pywin32:130
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cpe:2.3:a:mhammond:pywin32:131
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cpe:2.3:a:mhammond:pywin32:132
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cpe:2.3:a:mhammond:pywin32:134
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cpe:2.3:a:mhammond:pywin32:135
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cpe:2.3:a:mhammond:pywin32:139
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cpe:2.3:a:mhammond:pywin32:140
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cpe:2.3:a:mhammond:pywin32:141
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cpe:2.3:a:mhammond:pywin32:142
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cpe:2.3:a:mhammond:pywin32:145
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cpe:2.3:a:mhammond:pywin32:146
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cpe:2.3:a:mhammond:pywin32:147
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cpe:2.3:a:mhammond:pywin32:148
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cpe:2.3:a:mhammond:pywin32:149
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cpe:2.3:a:mhammond:pywin32:151
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cpe:2.3:a:mhammond:pywin32:153
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cpe:2.3:a:mhammond:pywin32:157
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cpe:2.3:a:mhammond:pywin32:159
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cpe:2.3:a:mhammond:pywin32:200
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cpe:2.3:a:mhammond:pywin32:201
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cpe:2.3:a:mhammond:pywin32:202
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cpe:2.3:a:mhammond:pywin32:203
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cpe:2.3:a:mhammond:pywin32:204
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cpe:2.3:a:mhammond:pywin32:205
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cpe:2.3:a:mhammond:pywin32:206
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cpe:2.3:a:mhammond:pywin32:207
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cpe:2.3:a:mhammond:pywin32:208
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cpe:2.3:a:mhammond:pywin32:209
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cpe:2.3:a:mhammond:pywin32:211
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cpe:2.3:a:mhammond:pywin32:212
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cpe:2.3:a:mhammond:pywin32:213
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cpe:2.3:a:mhammond:pywin32:214
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cpe:2.3:a:mhammond:pywin32:215
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cpe:2.3:a:mhammond:pywin32:216
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cpe:2.3:a:mhammond:pywin32:217
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cpe:2.3:a:mhammond:pywin32:218
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cpe:2.3:a:mhammond:pywin32:218.3
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cpe:2.3:a:mhammond:pywin32:219
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cpe:2.3:a:mhammond:pywin32:220
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cpe:2.3:a:mhammond:pywin32:221
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cpe:2.3:a:mhammond:pywin32:222
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cpe:2.3:a:mhammond:pywin32:223
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cpe:2.3:a:mhammond:pywin32:224
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cpe:2.3:a:mhammond:pywin32:225
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cpe:2.3:a:mhammond:pywin32:226
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cpe:2.3:a:mhammond:pywin32:227
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cpe:2.3:a:mhammond:pywin32:228
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cpe:2.3:a:mhammond:pywin32:300