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Fencer Vulns
medium 6.3

CVE-2024-3346 json

Byzoro Smart S80 webmailattach.php os command injection

published 2024-04-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31936

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
49.3%
EPSS 49.3% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

A vulnerability was found in Byzoro Smart S80 up to 20240328. It has been declared as critical. This vulnerability affects unknown code of the file /log/webmailattach.php. The manipulation of the argument mail_file_path leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-259450 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

  • byzoro smart_s80 20240328

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

49.33% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Yu1e/vuls/blob/main/Byzro%20Networks%20Smart%20S80%20management%20platform%20has%20rce%20vulnerability.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Byzoro Smart S80
  • byzoro smart_s80

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.