How severe is CVE-2023-31279?

CVE-2023-31279 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-31279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31279?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-31279 have an EU (EUVD) identifier?

Yes. CVE-2023-31279 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35593.

When was CVE-2023-31279 published?

CVE-2023-31279 was published on 2024-12-21 and last updated on 2026-06-17.

CVE-2023-31279

CVE-2023-31279 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-35593
Weakness: CWE-287
Published: 2024-12-21
Last modified: 2026-06-17

Description

The AirVantage platform is vulnerable to an unauthorized attacker registering previously unregistered devices on the AirVantage platform when the owner has not disabled the AirVantage Management Service on the devices or registered the device. This could enable an attacker to configure, manage, and execute AT commands on an unsuspecting user’s devices.

Frequently asked questions

What is CVE-2023-31279?: The AirVantage platform is vulnerable to an unauthorized attacker registering previously unregistered devices on the AirVantage platform when the owner has not disabled the AirVantage Management Service on the devices or registered the device. This could enable an attacker to configure, manage, and execute AT commands on an unsuspecting user’s devices.
How severe is CVE-2023-31279?: CVE-2023-31279 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-31279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-31279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-31279 have an EU (EUVD) identifier?: Yes. CVE-2023-31279 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35593.
When was CVE-2023-31279 published?: CVE-2023-31279 was published on 2024-12-21 and last updated on 2026-06-17.

References

https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-002/

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →