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CVE-2020-24355

CRITICAL

9.8

Description

Zyxel VMG5313-B30B router on firmware 5.13(ABCJ.6)b3_1127, and possibly older versions of firmware are affected by insecure permissions which allows regular and other users to create new users with elevated privileges. This is done by changing "FirstIndex" field in JSON that is POST-ed during account creation. Similar may also be possible with account deletion.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/2/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

zyxel:vmg5313-b30bzyxel:vmg5313-b30b_firmware

Weaknesses (CWE)

CWE-732

References

https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B(cve@mitre.org)

https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2(cve@mitre.org)

https://www.zyxel.com/support/security_advisories.shtml(cve@mitre.org)

https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B(af854a3a-2127-422b-91ae-364da2661108)

https://blog.somegeneric.ninja/Zyxel_VMG5153_B30B_part2(af854a3a-2127-422b-91ae-364da2661108)

https://www.zyxel.com/support/security_advisories.shtml(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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