Open Litespeed
CVEs (9)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2020-5519 | Cri | 0.57 | 9.8 | 0.01 | Jan 6, 2020 | The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen. | ||
| CVE-2023-40518 | Hig | 0.49 | 7.5 | 0.01 | Aug 14, 2023 | LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers. | ||
| CVE-2015-3890 | Hig | 0.49 | 7.5 | 0.01 | Sep 20, 2017 | Use-after-free vulnerability in Open Litespeed before 1.3.10. | ||
| CVE-2021-47855 | Hig | 0.47 | 7.2 | 0.00 | Jan 21, 2026 | Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an… | ||
| CVE-2018-19792 | Med | 0.44 | 6.7 | 0.00 | Dec 3, 2018 | 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 ../… | ||
| CVE-2018-19791 | Med | 0.42 | 6.5 | 0.01 | Dec 3, 2018 | The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the… | ||
| CVE-2024-31617 | Med | 0.34 | 5.3 | 0.00 | May 22, 2024 | OpenLiteSpeed before 1.8.1 mishandles chunked encoding. | ||
| CVE-2025-54939 | Med | 0.00 | 5.3 | 0.01 | Aug 1, 2025 | LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak. | ||
| CVE-2024-25678 | Cri | 0.00 | 9.8 | 0.00 | Feb 9, 2024 | In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled. |
- risk 0.57cvss 9.8epss 0.01
The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen.
- risk 0.49cvss 7.5epss 0.01
LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.
- risk 0.49cvss 7.5epss 0.01
Use-after-free vulnerability in Open Litespeed before 1.3.10.
- risk 0.47cvss 7.2epss 0.00
Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an…
- risk 0.44cvss 6.7epss 0.00
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 ../…
- risk 0.42cvss 6.5epss 0.01
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the…
- risk 0.34cvss 5.3epss 0.00
OpenLiteSpeed before 1.8.1 mishandles chunked encoding.
- risk 0.00cvss 5.3epss 0.01
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
- risk 0.00cvss 9.8epss 0.00
In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.