What’s Vulnerable › Vulnerabilities

CVE-2020-11733

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-13 · updated 2026-06-17
• Weakness: CWE-78

Description

An issue was discovered on Spirent TestCenter and Avalanche appliance admin interface firmware. An attacker, who already has access to an SSH restricted shell, can achieve root access via shell metacharacters. The attacker can then, for example, read sensitive files such as appliance admin configuration source code. This affects Spirent TestCenter and Avalanche products which chassis version <= 5.08. The SSH restricted shell is available with default credentials.

Affected products

• Spirent Avalanche: through 5.08
• Spirent Testcenter: through 5.08

References

• https://gist.github.com/a05110511t/65d07bc776d7c11b4ccf112a09cca4ab
• https://github.com/a05110511t/CVE/blob/master/CVE-2020-11733.md
• https://gist.github.com/a05110511t/65d07bc776d7c11b4ccf112a09cca4ab
• https://github.com/a05110511t/CVE/blob/master/CVE-2020-11733.md

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