8.8
HIGH
CVE-2018-0021
"Juniper Junos OS Short MacSec Key Auto-Configure Vulnerability"
Description

If all 64 digits of the connectivity association name (CKN) key or all 32 digits of the connectivity association key (CAK) key are not configured, all remaining digits will be auto-configured to 0. Hence, Juniper devices configured with short MacSec keys are at risk to an increased likelihood that an attacker will discover the secret passphrases configured for these keys through dictionary-based and brute-force-based attacks using spoofed packets. Affected releases are Juniper Networks Junos OS: 14.1 versions prior to 14.1R10, 14.1R9; 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D100; 15.1X53 versions prior to 15.1X53-D59; 16.1 versions prior to 16.1R3-S8, 16.1R4-S8, 16.1R5; 16.2 versions prior to 16.2R1-S6, 16.2R2; 17.1 versions prior to 17.1R2.

INFO

Published Date :

April 11, 2018, 7:29 p.m.

Last Modified :

Oct. 9, 2019, 11:30 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2018-0021 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
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-2018-0021.

URL Resource
http://www.securitytracker.com/id/1040789 Third Party Advisory VDB Entry
https://kb.juniper.net/JSA10854 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-2018-0021 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-0021 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
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Juniper Networks, Inc. AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-255 CWE-200 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    May. 21, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:A/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securitytracker.com/id/1040789 No Types Assigned http://www.securitytracker.com/id/1040789 Third Party Advisory, VDB Entry
    Changed Reference Type https://kb.juniper.net/JSA10854 No Types Assigned https://kb.juniper.net/JSA10854 Vendor Advisory
    Added CWE CWE-255
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:15.1x49:*:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d20:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d30:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d35:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d40:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d45:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d50:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d55:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d60:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d65:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d70:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d75:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d80:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x49:d90:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:14.1:*:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r7:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1:r9:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d15:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d16:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d25:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d26:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d27:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d30:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d35:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d40:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:14.1x53:d45:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:15.1x53:*:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d10:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d20:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d21:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d30:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d32:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d33:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d34:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d50:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d51:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d52:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d55:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d57:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1x53:d58:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:16.2:r1:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:15.1:*:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1:r4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:15.1:r6:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 06, 2018

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1040789 [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-2018-0021 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-2018-0021 weaknesses.

Exploit Prediction

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

0.07 }} -0.00%

score

0.30159

percentile

CVSS30 - Vulnerability Scoring System
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Attack Complexity
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