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CVE-2021-31384 (GCVE-0-2021-31384)

Vulnerability from cvelistv5 – Published: 2021-10-19 18:17 – Updated: 2024-09-16 17:37
VLAI
Title
Junos OS: SRX Series: Under a specific device configuration an attacker can access the devices J-Web management services from any interface, regardless of security settings protecting the service
Summary
Due to a Missing Authorization weakness and Insufficient Granularity of Access Control in a specific device configuration, a vulnerability exists in Juniper Networks Junos OS on SRX Series whereby an attacker who attempts to access J-Web administrative interfaces can successfully do so from any device interface regardless of the web-management configuration and filter rules which may otherwise protect access to J-Web. This issue affects: Juniper Networks Junos OS SRX Series 20.4 version 20.4R1 and later versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-285 - Improper Authorization
  • CWE-862 - Missing Authorization
  • CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
  • CWE-939 - Improper Authorization in Handler for Custom URL Scheme
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
References
URL Tags
https://kb.juniper.net/ x_refsource_MISC
Impacted products
Vendor Product Version CPE status
Juniper Networks Junos OS Unaffected: unspecified , < 20.4R1 (custom)
Affected: 20.4R1 , < 20.4* (custom)
Affected: 21.1 , < 21.1R1-S1, 21.1R2 (custom)
guessed Create a notification for this product.
Date Public
2021-10-13 00:00
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.