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Fencer Vulns
high 7.3

CVE-2023-4415 in the critical feed json

Ruijie RG-EW1200G login improper authentication

published 2023-08-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54278

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
58.3%
EPSS 58.3% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known, plus a Nuclei check

Summary

A vulnerability was found in Ruijie RG-EW1200G 07161417 r483. It has been rated as critical. Affected by this issue is some unknown functionality of the file /api/sys/login. The manipulation leads to improper authentication. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-237518 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Exploit prediction

58.30% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Ruijie RG-EW1200G Router Background - Login Bypass nuclei detection template
  • github.com https://github.com/blakespire/repoforcve/tree/main/RG-EW1200G-logic referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Ruijie RG-EW1200G

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.