Privilege Escalation Vulnerability in LiteSpeed OpenLiteSpeed Web Server
CVE-2021-26758

8.8HIGH

Key Information:

Vendor

Litespeedtech

Status
Openlitespeed
Vendor
CVE Published:
7 April 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-26758?

A vulnerability in LiteSpeed Technologies OpenLiteSpeed web server version 1.7.8 enables attackers to escalate their privileges, potentially granting them root terminal access. This allows unauthorized execution of commands on the host system, posing a significant security risk. Exploitation of this vulnerability can lead to severe implications for system integrity and data confidentiality.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-26758 - Proof of Concept

References

https://github.com/litespeedtech/openlitespeed/issues/217
x_refsource_CONFIRM
https://www.exploit-db.com/exploits/49556
exploitx_refsource_EXPLOIT-DB
https://docs.unsafe-inline.com/0day/openlitespeed-web-ser...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.