8.1

CVE-2018-8715: embedthis appweb Improper Authentication

CVSS: 8.1v3.0HighModified
Published 14-03-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-8715 is a high (CVSS 8.1) Improper Authentication vulnerability in embedthis appweb. EPSS estimates a 22.79% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
47/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.0 (NVD)
EPSS score
22.79%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-03-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The Embedthis HTTP library, and Appweb versions before 7.0.3, have a logic flaw related to the authCondition function in http/httpLib.c. With a forged HTTP request, it is possible to bypass authentication for the form and digest login types.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

22.79%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 22.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
22.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blogs.securiteam.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Embedthis1 product

1 vendor · 1 product

References

3 links