CVE-2021-26758
HIGHCVSS 8.8/10EPSS 2.71%
Last modified
CVE-2021-26758 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.71% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Litespeedtech | Openlitespeed | 1.7.8 |
References
- https://github.com/litespeedtech/openlitespeed/issues/217Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/49556Exploit, Third Party Advisory, VDB Entry
- https://github.com/litespeedtech/openlitespeed/issues/217Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/49556Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-26758?
CVE-2021-26758 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.71% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26758?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-26758?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST