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cveMitreCVE-2020-24355
HistorySep 02, 2020 - 12:15 p.m.

CVE-2020-24355

2020-09-0212:15:10
CWE-732
mitre
web.nvd.nist.gov
35
zyxel
vmg5313-b30b
router
firmware
vulnerability
cve-2020-24355
nvd
account creation
account deletion

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.01

Percentile

83.6%

JSON

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.

Affected configurations

Nvd
Node
zyxelvmg5313-b30b_firmwareRange≤5.13\(abcj.6\)b3_1127
AND
zyxelvmg5313-b30bMatch-
VendorProductVersionCPE
zyxelvmg5313-b30b_firmware*cpe:2.3:o:zyxel:vmg5313-b30b_firmware:*:*:*:*:*:*:*:*
zyxelvmg5313-b30b-cpe:2.3:h:zyxel:vmg5313-b30b:-:*:*:*:*:*:*:*

Related

prion 1
checkpoint_advisories 1
cvelist 1
nvd 1
prion
prion
Arbitrary file deletion
2020-09-02 12:15:00
checkpoint_advisories
checkpoint_advisories
Zyxel Routers Privilege Escalation (CVE-2020-24355)
2020-10-19 00:00:00
cvelist
cvelist
CVE-2020-24355
2020-09-02 11:15:09
nvd
nvd
CVE-2020-24355
2020-09-02 12:15:10

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.01

Percentile

83.6%

JSON
Related for CVE-2020-24355
prion1checkpoint_advisories1cvelist1nvd1