CVE-2023-47674 json
Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite…
published 2023-11-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-51773
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- First Co., Ltd. CFR-904E, CFR-908E, CFR-916E
- First Co., Ltd. CFR-4EHD, CFR-8EHD, CFR-16EHD
- First Co., Ltd. CFR-4EHA, CFR-8EHA, CFR-16EHA
- First Co., Ltd. CFR-4EAAM, CFR-4EABC
- First Co., Ltd. CFR-4EAA, CFR-8EAA, CFR-16EAA
- First Co., Ltd. CFR-4EAB, CFR-8EAB, CFR-16EAB
- First Co., Ltd. CFR-1004EA, CFR-1008EA, CFR-1016EA
- First Co., Ltd. MD-404HD, MD-808HD
- First Co., Ltd. MD-404HA, MD-808HA
- First Co., Ltd. MD-404AA, MD-808AA
- First Co., Ltd. MD-404AB, MD-808AB
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
c-first.co.jp
/information/ddososhirase/
vendor-advisory
-
c-first.co.jp
/wp/wp-content/uploads/2023/11/tuushin.pdf
vendor-advisory
-
jvn.jp
/en/vu/JVNVU99077347/
third-party-advisory
Sources
- CVE List CVE-2023-47674
- NVD CVE-2023-47674
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