CVE-2021-33514

CVSS V2 High 10 CVSS V3 Critical 9.8

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker via the vulnerable /sqfs/lib/libsal.so.0.0 library used by a CGI application, as demonstrated by setup.cgi?token=';$HTTP_USER_AGENT;' with an OS command in the User-Agent field. This affects GC108P before 1.0.7.3, GC108PP before 1.0.7.3, GS108Tv3 before 7.0.6.3, GS110TPPv1 before 7.0.6.3, GS110TPv3 before 7.0.6.3, GS110TUPv1 before 1.0.4.3, GS710TUPv1 before 1.0.4.3, GS716TP before 1.0.2.3, GS716TPP before 1.0.2.3, GS724TPPv1 before 2.0.4.3, GS724TPv2 before 2.0.4.3, GS728TPPv2 before 6.0.6.3, GS728TPv2 before 6.0.6.3, GS752TPPv1 before 6.0.6.3, GS752TPv2 before 6.0.6.3, MS510TXM before 1.0.2.3, and MS510TXUP before 1.0.2.3.

Overview

CVE ID
CVE-2021-33514

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-05-21T23:15:07

Last Modified Date
2022-01-04T16:53:10

Weakness Enumerations

CWE	URL
CWE-78	http://cwe.mitre.org/data/definitions/78.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:netgear:gc108p_firmware::::::::	1	OR	1.0.7.3
cpe:2.3:h:netgear:gc108p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gc108pp_firmware::::::::	1	OR	1.0.7.3
cpe:2.3:h:netgear:gc108pp:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs108t_firmware::::::::	1	OR	7.0.6.3
cpe:2.3:h:netgear:gs108tv3:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs110tpp_firmware::::::::	1	OR	7.0.6.3
cpe:2.3:h:netgear:gs110tpp:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs110tp_firmware::::::::	1	OR	7.0.6.3
cpe:2.3:h:netgear:gs110tp:v3:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs110tup_firmware::::::::	1	OR	1.0.4.3
cpe:2.3:h:netgear:gs110tup:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs710tup_firmware::::::::	1	OR	1.0.4.3
cpe:2.3:h:netgear:gs710tup:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs716tp_firmware::::::::	1	OR	1.0.2.3
cpe:2.3:h:netgear:gs716tp:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs716tpp_firmware::::::::	1	OR	1.0.2.3
cpe:2.3:h:netgear:gs716tpp:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs724tpp_firmware::::::::	1	OR	2.0.4.3
cpe:2.3:h:netgear:gs724tpp:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs724tp_firmware::::::::	1	OR	2.0.4.3
cpe:2.3:h:netgear:gs724tp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs728tpp_firmware::::::::	1	OR	6.0.6.3
cpe:2.3:h:netgear:gs728tpp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs728tp_firmware::::::::	1	OR	6.0.6.3
cpe:2.3:h:netgear:gs728tp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs752tpp_firmware::::::::	1	OR	6.0.6.3
cpe:2.3:h:netgear:gs752tpp:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:gs752tp_firmware::::::::	1	OR	6.0.6.3
cpe:2.3:h:netgear:gs752tp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ms510txm_firmware::::::::	1	OR	1.0.2.3
cpe:2.3:h:netgear:ms510txm:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ms510txup_firmware::::::::	1	OR	1.0.2.3
cpe:2.3:h:netgear:ms510txup:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
10

Severity
HIGH

Exploitability Score
10

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://kb.netgear.com/000063641/Security-Advisory-for-Pre-Authentication-Command-Injection-Vulnerability-on-Some-Smart-Switches-PSV-2021-0071	Vendor Advisory
https://gynvael.coldwind.pl/?lang=en&id=733	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-33514
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33514

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:39:09				Added to TrackCVE
2022-12-05 02:47:08	2021-05-21T23:15Z	2021-05-21T23:15:07	CVE Published Date	updated
2022-12-05 02:47:08		2022-01-04T16:53:10	CVE Modified Date	updated
2022-12-05 02:47:08		Analyzed	Vulnerability Status	updated