10.0
CRITICAL
CVE-2021-0248
"Juniper Networks Junos OS NFX Series Hard-Coded Credentials Remote Administrative Access giveaways"
Description

This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series. No other platforms besides NFX Series devices are affected.

INFO

Published Date :

April 22, 2021, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:42 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-0248 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 Juniper junos
2 Juniper nfx250
3 Juniper nfx150
4 Juniper nfx350
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-2021-0248.

URL Resource
https://kb.juniper.net/JSA11141 Vendor Advisory
https://kb.juniper.net/JSA11141 Vendor 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-2021-0248 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-0248 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://kb.juniper.net/JSA11141
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Changed Reference Type https://kb.juniper.net/JSA11141 No Types Assigned https://kb.juniper.net/JSA11141 Vendor Advisory
    Added CWE NIST CWE-798
    Added CPE Configuration AND OR *cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* versions up to (excluding) 19.1 *cpe:2.3:o:juniper:junos:19.1:-:*:*:*:*:*:* OR cpe:2.3:h:juniper:nfx150:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:nfx250:-:*:*:*:*:*:*:* cpe:2.3:h:juniper:nfx350:-:*:*:*:*:*:*:*
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-2021-0248 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-0248 weaknesses.

Exploit Prediction

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

0.23 }} 0.00%

score

0.60506

percentile

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