Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity High
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
User Interaction Required
No CVSS v3.0
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
The EPSS score is 0.00148.
Key SSVC decision points have not yet been added.
Affected Vendors & Products
| Vendors | Products |
|---|---|
| Juniper |
|
Configuration 1 [-]
|
No data.
No data.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-18296 | A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle (PitM) attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1 versions prior to 15.1R7-S11; 18.3 versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. |
Solution
The following software releases have been updated to resolve this specific issue: 12.3R12-S20, 15.1R7-S11, 18.3R3-S6, 18.4R3-S10, 19.1R3-S7, 19.2R3-S4, 19.3R3-S4, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases. Note: Use of HTTP must also be discontinued.
Workaround
Discontinue the use of HTTP, instead use HTTPS when using J-Web. [system services web-management https]
| Link | Providers |
|---|---|
| https://kb.juniper.net/JSA11254 |
|
No history.
Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2024-09-17T01:16:54.566Z
Reserved: 2021-04-15T00:00:00
Link: CVE-2021-31386
No data.
Status : Modified
Published: 2021-10-19T19:15:11.510
Modified: 2024-11-21T06:05:34.790
Link: CVE-2021-31386
No data.
OpenCVE Enrichment
No data.
EUVD