Vulnerability Details : CVE-2023-3959
Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220,
CB6231, B8520, B8220, and CD321
IP Cameras
with firmware version M2.1.6.05 are
vulnerable to multiple instances of stack-based overflows. While
processing XML elements from incoming network requests, the product does
not sufficiently check or validate allocated buffer size. This may lead
to remote code execution.
Vulnerability category: Execute code
Products affected by CVE-2023-3959
- cpe:2.3:o:zavio:cf7500_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cf7300_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cf7201_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cf7501_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cb3211_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cb3212_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cb5220_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cb6231_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:b8520_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:b8220_firmware:m2.1.6.05:*:*:*:*:*:*:*
- cpe:2.3:o:zavio:cd321_firmware:m2.1.6.05:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-3959
59.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-3959
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
ICS-CERT | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-3959
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-3959
-
https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03
Zavio IP Camera | CISAThird Party Advisory;US Government Resource
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