How severe is CVE-2023-39842?

CVE-2023-39842 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-39842 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39842?

CVE-2023-39842 affects Mydigoo Dg-hamb Smart Home Security System Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39842?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-39842 published?

CVE-2023-39842 was published on 2023-08-15 and last updated on 2026-06-17.

CVE-2023-39842

CVE-2023-39842 is a low-severity vulnerability in Mydigoo Dg-hamb Smart Home Security System Firmware with a CVSS 3.x base score of 2.4. 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-311.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Mydigoo Dg-hamb Smart Home Security System Firmware
Published: 2023-08-15
Last modified: 2026-06-17

Description

Missing encryption in the RFID tag of Digoo DG-HAMB Smart Home Security System v1.0 allows attackers to create a cloned tag via brief physical proximity to the original device.

Frequently asked questions

What is CVE-2023-39842?: Missing encryption in the RFID tag of Digoo DG-HAMB Smart Home Security System v1.0 allows attackers to create a cloned tag via brief physical proximity to the original device.
How severe is CVE-2023-39842?: CVE-2023-39842 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-39842 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39842?: CVE-2023-39842 affects Mydigoo Dg-hamb Smart Home Security System Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39842?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39842 published?: CVE-2023-39842 was published on 2023-08-15 and last updated on 2026-06-17.

References

https://ashallen.net/smart-security-device-rfid-vulnerability-disclosure

Affected products (1)

cpe:2.3:o:mydigoo:dg-hamb_smart_home_security_system_firmware:1.0:*:*:*:*:*:*:*

Other CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities

CVE-2023-6339 — Critical (CVSS 10.0): Google Nest WiFi Pro root code-execution & user-data compromise
CVE-2023-4420 — Critical (CVSS 9.8): A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of…
CVE-2023-0750 — Critical (CVSS 9.8): Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be…
CVE-2020-15331 — Critical (CVSS 9.8): Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.
CVE-2019-3431 — Critical (CVSS 9.8): All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers…
CVE-2019-12924 — Critical (CVSS 9.8): MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be…

Browse all CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities →