CVE-2024-7339
Published: 01 August 2024
Summary
CVE-2024-7339 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Provision-Isr Sh-4050A5-5L\(Mm\) Firmware. Its CVSS base score is 6.9 (Medium).
Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A vulnerability classified under CWE-200 has been identified in multiple digital video recorder models, including TVT DVR TD-2104TS-CL and TD-2108TS-HP, Provision-ISR DVR SH-4050A5-5L(MM), and AVISION DVR AV108T. The issue resides in an unknown portion of the /queryDevInfo endpoint and permits information disclosure through manipulation of the affected component. It carries a CVSS 4.0 score of 6.9 and affects the listed devices when accessed over the network.
Remote attackers without authentication or user interaction can exploit the flaw to retrieve sensitive device information. Publicly available exploit details indicate that the attack can be launched directly against exposed devices, and the vendor was notified prior to disclosure but provided no response.
The referenced advisories and disclosure entries contain no mitigation guidance, patches, or configuration recommendations, consistent with the absence of vendor engagement. The associated EPSS score stands at 0.9031 with no material increase from a lower baseline after publication.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-48278
Vulnerability details
A vulnerability has been found in TVT DVR TD-2104TS-CL, DVR TD-2108TS-HP, Provision-ISR DVR SH-4050A5-5L(MM) and AVISION DVR AV108T and classified as problematic. This vulnerability affects unknown code of the file /queryDevInfo. The manipulation leads to information disclosure. The attack can…
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be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-273262 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Automated marking applies security attributes to system outputs, making it harder for attackers to exploit unmarked sensitive information leading to unauthorized exposure.
Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.
Prevents unauthorized exposure of sensitive information by prohibiting untrusted external systems from processing or storing it.
By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.
Review and removal of nonpublic information from publicly accessible systems directly prevents exposure of sensitive data to unauthorized actors.
Data mining protection mechanisms detect and block unauthorized bulk extraction of sensitive data, directly mitigating exposure to unauthorized actors.
Literacy training teaches users to recognize and avoid actions that result in unauthorized exposure of sensitive information.
Retaining and monitoring training records confirms personnel have completed privacy and security awareness training on handling sensitive data, reducing the chance of unauthorized exposure due to lack of knowledge.