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High severity · published Dec 25, 2023
CVE-2023-38321
OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ that lacks a custom query string parameter and client-token.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AL
Aleos · Sierrawireless
before 4.17.0.12 · source: NVD
Affected product
AL
Aleos
Sierrawireless
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-38321
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-38321
Release Notes
https://github.com/openNDS/openNDS/blob/master/ChangeLog
Product
https://openwrt.org/docs/guide-user/services/captive-portal/opennds
Vendor Advisory
https://source.sierrawireless.com/-/media/support_downloads/security-bulletins/pdf/swi-psa-2023-006-r3.ashx
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