Critical severity · published Feb 15, 2023
CVE-2021-33304
Double Free vulnerability in virtualsquare picoTCP v1.7.0 and picoTCP-NG v2.1 in modules/pico_fragments.c in function pico_fragments_reassemble, allows attackers to execute…
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
Double Free vulnerability in virtualsquare picoTCP v1.7.0 and picoTCP-NG v2.1 in modules/pico_fragments.c in function pico_fragments_reassemble, allows attackers to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
Picotcp · Altran
1.7.0 · source: NVD
PI
Picotcp-ng · Altran
2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33304
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33304
Issue Tracking
https://github.com/virtualsquare/picotcp/issues/6
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