6.7
MEDIUM
CVE-2020-11733
Spirent TestCenter and Avalanche SSH Shell Escalation Vulnerability
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.

INFO

Published Date :

Aug. 13, 2020, 2:15 p.m.

Last Modified :

July 21, 2021, 11:39 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2020-11733 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Spirent avalanche
2 Spirent testcenter
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-11733.

URL Resource
https://gist.github.com/a05110511t/65d07bc776d7c11b4ccf112a09cca4ab Third Party Advisory
https://github.com/a05110511t/CVE/blob/master/CVE-2020-11733.md Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-11733 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-11733 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-74 CWE-78
  • Initial Analysis by [email protected]

    Aug. 19, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://gist.github.com/a05110511t/65d07bc776d7c11b4ccf112a09cca4ab No Types Assigned https://gist.github.com/a05110511t/65d07bc776d7c11b4ccf112a09cca4ab Third Party Advisory
    Changed Reference Type https://github.com/a05110511t/CVE/blob/master/CVE-2020-11733.md No Types Assigned https://github.com/a05110511t/CVE/blob/master/CVE-2020-11733.md Third Party Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration AND OR *cpe:2.3:a:spirent:avalanche:*:*:*:*:*:*:*:* versions up to (including) 5.08 *cpe:2.3:a:spirent:testcenter:*:*:*:*:*:*:*:* versions up to (including) 5.08 OR cpe:2.3:h:spirent:c100-mp:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 13, 2020

    Action Type Old Value New Value
    Removed Reference https://drive.google.com/drive/folders/1V4qOkECZ0moQ0VMhbtzA6FmUwVnJsMyQ?usp=sharing [No Types Assigned]
    Removed Reference https://gist.github.com/chtsecurity/f2777831c1b0834bd711df5eba73b6a7 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-11733 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10719

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability