9.8
CRITICAL
CVE-2023-47674
First Corporation DVR Missing Authentication Vulnerability
Description

Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite or obtain the configuration information of the affected device. Note that updates are provided only for Late model of CFR-4EABC, CFR-4EAB, CFR-8EAB, CFR-16EAB, MD-404AB, and MD-808AB. As for the other products, apply the workaround.

INFO

Published Date :

Nov. 16, 2023, 8:15 a.m.

Last Modified :

Nov. 21, 2024, 8:30 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-47674 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 C-first cfr-1004ea_firmware
2 C-first cfr-1008ea_firmware
3 C-first cfr-1016ea_firmware
4 C-first cfr-16eaa_firmware
5 C-first cfr-16eab_firmware
6 C-first cfr-16eha_firmware
7 C-first cfr-16ehd_firmware
8 C-first cfr-4eaa_firmware
9 C-first cfr-4eaam_firmware
10 C-first cfr-4eab_firmware
11 C-first cfr-4eabc_firmware
12 C-first cfr-4eha_firmware
13 C-first cfr-4ehd_firmware
14 C-first cfr-8eaa_firmware
15 C-first cfr-8eab_firmware
16 C-first cfr-8eha_firmware
17 C-first cfr-8ehd_firmware
18 C-first cfr-904e_firmware
19 C-first cfr-908e_firmware
20 C-first cfr-916e_firmware
21 C-first md-404aa_firmware
22 C-first md-404ab_firmware
23 C-first md-404ha_firmware
24 C-first md-404hd_firmware
25 C-first md-808aa_firmware
26 C-first md-808ab_firmware
27 C-first md-808ha_firmware
28 C-first md-808hd_firmware
29 C-first cfr-1004ea
30 C-first cfr-1008ea
31 C-first cfr-1016ea
32 C-first cfr-16eaa
33 C-first cfr-16eab
34 C-first cfr-16eha
35 C-first cfr-16ehd
36 C-first cfr-4eaa
37 C-first cfr-4eaam
38 C-first cfr-4eab
39 C-first cfr-4eabc
40 C-first cfr-4eha
41 C-first cfr-4ehd
42 C-first cfr-8eaa
43 C-first cfr-8eab
44 C-first cfr-8eha
45 C-first cfr-8ehd
46 C-first cfr-904e
47 C-first cfr-908e
48 C-first cfr-916e
49 C-first md-404aa
50 C-first md-404ab
51 C-first md-404ha
52 C-first md-404hd
53 C-first md-808aa
54 C-first md-808ab
55 C-first md-808ha
56 C-first md-808hd
: Total Affected Vendor : 1 | Products : 56
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-2023-47674.

URL Resource
https://jvn.jp/en/vu/JVNVU99077347/ Third Party Advisory
https://www.c-first.co.jp/information/ddososhirase/ Vendor Advisory
https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf Vendor Advisory
https://jvn.jp/en/vu/JVNVU99077347/ Third Party Advisory
https://www.c-first.co.jp/information/ddososhirase/ Vendor Advisory
https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf Vendor Advisory

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-2023-47674 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-47674 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://jvn.jp/en/vu/JVNVU99077347/
    Added Reference https://www.c-first.co.jp/information/ddososhirase/
    Added Reference https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Dec. 05, 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://jvn.jp/en/vu/JVNVU99077347/ No Types Assigned https://jvn.jp/en/vu/JVNVU99077347/ Third Party Advisory
    Changed Reference Type https://www.c-first.co.jp/information/ddososhirase/ No Types Assigned https://www.c-first.co.jp/information/ddososhirase/ Vendor Advisory
    Changed Reference Type https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf No Types Assigned https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf Vendor Advisory
    Added CWE NIST CWE-306
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-1004ea_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-1004ea:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-1008ea_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-1008ea:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-1016ea_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-1016ea:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-16eaa_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-16eaa:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-16eab_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-16eab:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-16eha_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-16eha:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-16ehd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-16ehd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4eaa_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4eaa:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4eaam_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4eaam:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4eab_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4eab:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4eabc_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4eabc:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4eha_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4eha:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-4ehd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-4ehd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-8eaa_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-8eaa:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-8eab_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-8eab:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-8eha_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-8eha:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-8ehd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-8ehd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-904e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-904e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-908e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-908e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:cfr-916e_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:cfr-916e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-404aa_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-404aa:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-404ab_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-404ab:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-404ha_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-404ha:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-404hd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-404hd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-808aa_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-808aa:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-808ab_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-808ab:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-808ha_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-808ha:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:c-first:md-808hd_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:c-first:md-808hd:-:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Nov. 16, 2023

    Action Type Old Value New Value
    Added Description Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite or obtain the configuration information of the affected device. Note that updates are provided only for Late model of CFR-4EABC, CFR-4EAB, CFR-8EAB, CFR-16EAB, MD-404AB, and MD-808AB. As for the other products, apply the workaround.
    Added Reference JPCERT/CC https://www.c-first.co.jp/information/ddososhirase/ [No types assigned]
    Added Reference JPCERT/CC https://www.c-first.co.jp/wp/wp-content/uploads/2023/11/tuushin.pdf [No types assigned]
    Added Reference JPCERT/CC https://jvn.jp/en/vu/JVNVU99077347/ [No types assigned]
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-2023-47674 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-2023-47674 weaknesses.

Exploit Prediction

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

0.23 }} 0.02%

score

0.60621

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: