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[email protected]CVE-2021-30648

HistoryJun 30, 2021 - 11:15 a.m.

CVE-2021-30648

2021-06-3011:15:08

CWE-287

[email protected]

web.nvd.nist.gov

symantec

asg

proxysg

web management

authentication bypass

cli commands

configuration

policy

shutdown

restart

vulnerability

nvd

cve-2021-30648

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

9.8 High

CVSS3

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

9.9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.3%

JSON

The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.

Affected configurations

NVD

Node

broadcomsymantec_proxysgRange6.5–6.5.10.16

broadcomsymantec_proxysgRange6.6–6.6.5.19

broadcomsymantec_proxysgRange6.7–6.7.5.12

broadcomsymantec_proxysgRange7.2–7.2.7.2

broadcomsymantec_proxysgRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s200-30Match-

AND

broadcomsymantec_advanced_secure_gateway_s200-30_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s200-30_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s200-30_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s200-30_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s200-40Match-

AND

broadcomsymantec_advanced_secure_gateway_s200-40_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s200-40_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s200-40_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s200-40_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s400-20Match-

AND

broadcomsymantec_advanced_secure_gateway_s400-20_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s400-20_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s400-20_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s400-20_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s400-30Match-

AND

broadcomsymantec_advanced_secure_gateway_s400-30_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s400-30_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s400-30_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s400-30_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s400-40Match-

AND

broadcomsymantec_advanced_secure_gateway_s400-40_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s400-40_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s400-40_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s400-40_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_500-10Match-

AND

broadcomsymantec_advanced_secure_gateway_500-10_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_500-10_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_500-10_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_500-10_firmwareRange7.3–7.3.3.3

Node

broadcomsymantec_advanced_secure_gateway_s500-20Match-

AND

broadcomsymantec_advanced_secure_gateway_s500-20_firmwareRange6.6–6.7.4.17

broadcomsymantec_advanced_secure_gateway_s500-20_firmwareRange6.7.5.0–6.7.5.12

broadcomsymantec_advanced_secure_gateway_s500-20_firmwareRange7.2–7.2.7.2

broadcomsymantec_advanced_secure_gateway_s500-20_firmwareRange7.3–7.3.3.3

CPENameOperatorVersion
broadcom:symantec_proxysgbroadcom symantec proxysglt6.5.10.16
broadcom:symantec_proxysgbroadcom symantec proxysglt6.6.5.19
broadcom:symantec_proxysgbroadcom symantec proxysglt6.7.5.12
broadcom:symantec_proxysgbroadcom symantec proxysglt7.2.7.2
broadcom:symantec_proxysgbroadcom symantec proxysglt7.3.3.3

CPE	Name	Operator	Version
broadcom:symantec_proxysg	broadcom symantec proxysg	lt	6.5.10.16
broadcom:symantec_proxysg	broadcom symantec proxysg	lt	6.6.5.19
broadcom:symantec_proxysg	broadcom symantec proxysg	lt	6.7.5.12
broadcom:symantec_proxysg	broadcom symantec proxysg	lt	7.2.7.2
broadcom:symantec_proxysg	broadcom symantec proxysg	lt	7.3.3.3

CNA Affected

[
  {
    "product": "Advanced Secure Gateway (ASG) and ProxySG",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "ASG 6.6, ASG 6.7 prior to 6.7.4.17 or 6.7.5.12, ASG 7.2 prior to 7.2.7.2, ASG 7.3 prior to 7.3.3.3, ProxySG 6.5 prior to 6.5.10.16, ProxySG 6.6 prior to 6.6.5.19, ProxySG 6.7 prior to 6.7.3.15, 6.7.4.17, or 6.7.5.12, ProxySG 7.2 prior 7.2.7.2, ProxySG 7.3 prior to 7.3.3.3."
      }
    ]
  }
]

References

support.broadcom.com/security-advisory/content/security-advisories/0/SYMSA18331

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

9.8 High

CVSS3

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

9.9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.3%

JSON

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