CVE-2020-11733: An issue was discovered on Spirent TestCenter and Avalanche appliance admin interface firmware
CVE-2020-11733 is a medium-severity flaw (CVSS 6.7) affecting avalanche, testcenter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 def
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.7 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 25%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2020-08-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-11733?
avalanche: upgrade to newer than 5.08; testcenter: upgrade to newer than 5.08. Exact commands for each OS are on this page.
Is CVE-2020-11733 being exploited?
CVE-2020-11733 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-11733 affect?
CVE-2020-11733 affects avalanche, testcenter. Severity is medium (CVSS 6.7). 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 exa
How urgent is CVE-2020-11733?
Priority 42/100. No elevated risk signals yet.
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