Medium severity · published Nov 7, 2023
CVE-2023-5748
Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology SSL VPN Client before 1.4.7-0687 allows local users to conduct…
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology SSL VPN Client before 1.4.7-0687 allows local users to conduct denial-of-service attacks via unspecified vectors.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SV
Ssl Vpn Client · Synology
before 1.4.7-0687 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5748
Vendor Advisory
https://www.synology.com/en-global/security/advisory/Synology_SA_23_12
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