9.8crit

CVE-2017-8862

The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or process, allowing an attacker to upload a speciall…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 74%
Public exploits
0
none known

Summary

The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or process, allowing an attacker to upload a specially crafted postinstall.sh file that will be executed with "root" privileges.

Exploit prediction (EPSS)

1.48% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.010.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

  • bneg.io /2017/05/12/vulnerabilities-in-cohu-3960hd/ · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.