CVE-2018-8715 in the critical feed json
The Embedthis HTTP library, and Appweb versions before 7.0.3, have a logic flaw related to the authCondition function in http/httpLib.c.
published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20326
- cvss
- 8.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.8%
- EPSS 22.8% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
Exploit prediction
22.79% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template AppWeb - Authentication Bypass nuclei detection template
- blogs.securiteam.com https://blogs.securiteam.com/index.php/archives/3676 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/embedthis/appweb/issues/610
patch, third-party-advisory
-
blogs.securiteam.com
/index.php/archives/3676
exploit, third-party-advisory
- security.paloaltonetworks.com /CVE-2018-8715
Sources
- CVE List CVE-2018-8715
- NVD CVE-2018-8715
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.