CVE-2018-14942 — HIGH (8.8)

Vulnerability Description

Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal attacks, as demonstrated by "POST /PY/EMULATION_GET_FILE" or "POST /PY/EMULATION_EXPORT" with FileName=../../../passwd in the POST data.

CVSS Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Harmonicinc	Nsg 9000 Firmware	-
Harmonicinc	Nsg 9000	-

Related Weaknesses (CWE)

CWE-22

References

https://github.com/pudding2/NSG9000/blob/master/exp.txtThird Party Advisory
https://github.com/pudding2/NSG9000/blob/master/exp.txtThird Party Advisory

FAQ

What is CVE-2018-14942?

CVE-2018-14942 is a vulnerability with a CVSS score of 8.8 (HIGH). Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal attacks, as demonstrated by "POST /PY/EMULATION_GET_FILE" or "POST /PY/EMULATION_EXPORT" with FileName=../../....

How severe is CVE-2018-14942?

CVE-2018-14942 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-14942?

Check the references section above for vendor advisories and patch information. Affected products include: Harmonicinc Nsg 9000 Firmware, Harmonicinc Nsg 9000.