High severity · published May 10, 2023
CVE-2022-46377
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no IP address argument is provided to the `PORT` command.
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)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UC
Uc-ftps · Weston-embedded
1.98.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46377
Patch
https://github.com/weston-embedded/uC-FTPs/pull/2
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1681
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1681
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