Appweb < 7.0.3 authCondition Authentication Bypass Vulnerability

high Nessus Plugin ID 118710


The remote web server may be affected by a authentication bypass vulnerability.


According to its banner, the version of Appweb installed on the remote host is prior to 7.0.3. It is, therefore, 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.

Note that Nessus did not actually test for this issue, but instead has relied on the version in the server's banner.


Upgrade to Appweb version 7.0.3 or later.

See Also

Plugin Details

Severity: High

ID: 118710

File Name: appweb_server_7_0_3.nasl

Version: 1.3

Type: remote

Family: Web Servers

Published: 11/2/2018

Updated: 11/1/2019

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2018-8715


Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mbedthis_software:mbedthis_appweb_http_server

Required KB Items: www/appweb

Exploit Ease: No known exploits are available

Patch Publication Date: 3/14/2018

Vulnerability Publication Date: 3/14/2018

Reference Information

CVE: CVE-2018-8715