Medium severity · published Dec 3, 2018
CVE-2018-19792
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a…
6.7
CVSS
0.4%
EPSS
No
On KEV
Description
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openlitespeed · Litespeedtech
through 1.4.41; 1.5.0; 1.5.0; 1.5.0; 1.5.0; 1.5.0 · source: NVD
Affected product
OP
Openlitespeed
Litespeedtech
More from Openlitespeed
9.8
CVE-2020-5519
The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen
8.8
CVE-2022-0074
Privilege Escalation in OpenLiteSpeed Web Server
8.8
CVE-2022-0073
Authenticated Remote Code Execution in OpenLiteSpeed Web Server
8.8
CVE-2021-26758
Privilege Escalation in LiteSpeed Technologies OpenLiteSpeed web server version 1.7.8 allows attackers to gain root terminal access and execute commands on the host system
7.5
CVE-2025-54939
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak