High severity · published Aug 22, 2023
CVE-2021-34193
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensc · Opensc Project
before 0.22.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34193
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34193
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
Issue Tracking
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855
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