CVE-2023-47674Missing authentication for critical function vulnerability in First Corporation's DVRs allows a remote unauthenticated attacker to rewrite…
- 9.8CriticalCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 30% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By jpcert
- 1 day later
· 1 day later
Published
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
First Co., Ltd. · CFR-904E, CFR-908E, CFR-916E
- affected firmware all versions
First Co., Ltd. · CFR-4EHD, CFR-8EHD, CFR-16EHD
- affected firmware all versions
First Co., Ltd. · CFR-4EHA, CFR-8EHA, CFR-16EHA
- affected firmware all versions
First Co., Ltd. · CFR-4EAAM, CFR-4EABC
- affected firmware all versions
First Co., Ltd. · CFR-4EAA, CFR-8EAA, CFR-16EAA
- affected firmware all versions
First Co., Ltd. · CFR-4EAB, CFR-8EAB, CFR-16EAB
- affected firmware all versions
First Co., Ltd. · CFR-1004EA, CFR-1008EA, CFR-1016EA
- affected firmware all versions
First Co., Ltd. · MD-404HD, MD-808HD
- affected firmware all versions
First Co., Ltd. · MD-404HA, MD-808HA
- affected firmware all versions
First Co., Ltd. · MD-404AA, MD-808AA
- affected firmware all versions
First Co., Ltd. · MD-404AB, MD-808AB
- affected firmware all versions
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-51773 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-47674)Record last updated .