Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30648


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.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 15 products from broadcom, from broadcom, from broadcom and 12 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-06-30T11:15:08.143

Last Modified

2024-11-21T06:04:21.397

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

8.5

Weaknesses
  • Type: Primary
    CWE-287

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application broadcom symantec_proxysg < 6.5.10.16 Yes
Application broadcom symantec_proxysg < 6.6.5.19 Yes
Application broadcom symantec_proxysg < 6.7.5.12 Yes
Application broadcom symantec_proxysg < 7.2.7.2 Yes
Application broadcom symantec_proxysg < 7.3.3.3 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-30_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-30_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-30_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-30_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s200-30 - No
Operating System broadcom symantec_advanced_secure_gateway_s200-40_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-40_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-40_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s200-40_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s200-40 - No
Operating System broadcom symantec_advanced_secure_gateway_s400-20_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-20_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-20_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-20_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s400-20 - No
Operating System broadcom symantec_advanced_secure_gateway_s400-30_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-30_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-30_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-30_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s400-30 - No
Operating System broadcom symantec_advanced_secure_gateway_s400-40_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-40_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-40_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s400-40_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s400-40 - No
Operating System broadcom symantec_advanced_secure_gateway_500-10_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_500-10_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_500-10_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_500-10_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_500-10 - No
Operating System broadcom symantec_advanced_secure_gateway_s500-20_firmware < 6.7.4.17 Yes
Operating System broadcom symantec_advanced_secure_gateway_s500-20_firmware < 6.7.5.12 Yes
Operating System broadcom symantec_advanced_secure_gateway_s500-20_firmware < 7.2.7.2 Yes
Operating System broadcom symantec_advanced_secure_gateway_s500-20_firmware < 7.3.3.3 Yes
Hardware broadcom symantec_advanced_secure_gateway_s500-20 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For broadcom's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.