5.3
MEDIUM
CVE-2023-38324
OpenNDS FAS Auth Bypass Vulnerability
Description

An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and directly authenticate) when it is using the default FAS key and OpenNDS is configured as FAS. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

INFO

Published Date :

Nov. 17, 2023, 6:15 a.m.

Last Modified :

June 20, 2024, 6:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-38324 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opennds captive_portal

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-38324 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-38324 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Jun. 20, 2024

    Action Type Old Value New Value
    Changed Description An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and directly authenticate) when it is using the default FAS key and OpenNDS is configured as FAS. An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and directly authenticate) when it is using the default FAS key and OpenNDS is configured as FAS. Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.
    Added Reference MITRE https://github.com/openwrt/routing/commit/0b19771fb2dd81e7c428759610aed583171eed80 [No types assigned]
    Added Reference MITRE https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 26, 2024

    Action Type Old Value New Value
    Changed Description An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It allows users to skip the splash page sequence when it is using the default FAS key and when OpenNDS is configured as FAS (default). An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and directly authenticate) when it is using the default FAS key and OpenNDS is configured as FAS.
    Added Reference MITRE https://openwrt.org/docs/guide-user/services/captive-portal/opennds [No types assigned]
    Added Reference MITRE https://github.com/openNDS/openNDS/blob/master/ChangeLog [No types assigned]
    Added Reference MITRE https://www.forescout.com/resources/sierra21-vulnerabilities [No types assigned]
    Added Reference MITRE https://cwe.mitre.org/data/definitions/1390.html [No types assigned]
  • Initial Analysis by [email protected]

    Nov. 23, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://github.com/openNDS/openNDS/releases/tag/v10.1.2 No Types Assigned https://github.com/openNDS/openNDS/releases/tag/v10.1.2 Release Notes, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:opennds:captive_portal:*:*:*:*:*:*:*:* versions up to (excluding) 10.1.2
  • CVE Received by [email protected]

    Nov. 17, 2023

    Action Type Old Value New Value
    Added Description An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It allows users to skip the splash page sequence when it is using the default FAS key and when OpenNDS is configured as FAS (default).
    Added Reference MITRE https://github.com/openNDS/openNDS/releases/tag/v10.1.2 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-38324 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-38324 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.02%

score

0.32173

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability