9

CVE-2021-26758: litespeedtech openlitespeed Improper Privilege Management

CVSS: 9.0v2.0HighModified
Published 07-04-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-26758 is a high (CVSS 9.0) Improper Privilege Management vulnerability in litespeedtech openlitespeed. EPSS estimates a 2.71% chance of exploitation in the next 30 days, higher than 85.7% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
2.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3exploit-database, github, reference

Timeline

  1. 07-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.71%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.71% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • exploit-databasemultipleVerified

    Openlitespeed WebServer 1.7.8 - Command Injection (Authenticated) (2)

    Maturity: poc

  • githubUnverified

    Openlitespeed

    Maturity: poc

  • referenceUnverified

    Exploit Reference (docs.unsafe-inline.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Litespeedtech1 product

1 vendor · 1 product

References

3 links