9.8
CRITICAL
CVE-2023-3959
Zavio IP Cameras Stack-Based Overflows
Description

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.

INFO

Published Date :

Nov. 8, 2023, 11:15 p.m.

Last Modified :

Aug. 2, 2024, 7:16 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-3959 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zavio cf7500_firmware
2 Zavio cf7300_firmware
3 Zavio cf7201_firmware
4 Zavio cf7501_firmware
5 Zavio cb3211_firmware
6 Zavio cb3212_firmware
7 Zavio cb5220_firmware
8 Zavio cb6231_firmware
9 Zavio b8520_firmware
10 Zavio b8220_firmware
11 Zavio cd321_firmware
12 Zavio cf7500
13 Zavio cf7300
14 Zavio cf7201
15 Zavio cf7501
16 Zavio cb3211
17 Zavio cb3212
18 Zavio cb5220
19 Zavio cb6231
20 Zavio b8520
21 Zavio b8220
22 Zavio cd321
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-3959.

URL Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-3959 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-3959 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Aug. 02, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag ICS-CERT unsupported-when-assigned
  • Initial Analysis by [email protected]

    Nov. 15, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 No Types Assigned https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 Third Party Advisory, US Government Resource
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cf7500_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cf7500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cf7300_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cf7300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cf7201_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cf7201:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cf7501_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cf7501:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cb3211_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cb3211:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cb3212_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cb3212:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cb5220_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cb5220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cb6231_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cb6231:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:b8520_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:b8520:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:b8220_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:b8220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zavio:cd321_firmware:m2.1.6.05:*:*:*:*:*:*:* OR cpe:2.3:h:zavio:cd321:-:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Nov. 08, 2023

    Action Type Old Value New Value
    Added Description 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.
    Added Reference ICS-CERT https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 [No types assigned]
    Added CWE ICS-CERT CWE-121
    Added CVSS V3.1 ICS-CERT AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-3959 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-3959 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} 0.18%

score

0.60700

percentile

CVSS31 - Vulnerability Scoring System
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