CVE-2021-31355 (GCVE-0-2021-31355)

Vulnerability from cvelistv5 – Published: 2021-10-19 18:16 – Updated: 2024-09-17 00:42
VLAI?
Title
Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal
Summary
A persistent cross-site scripting (XSS) vulnerability in the captive portal graphical user interface of Juniper Networks Junos OS may allow a remote authenticated user to inject web script or HTML and steal sensitive data and credentials from a web administration session, possibly tricking a follow-on administrative user to perform administrative actions on the device. This issue affects Juniper Networks Junos OS: All versions, including the following supported releases: 12.3X48 versions prior to 12.3X48-D105; 15.1X49 versions prior to 15.1X49-D220; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R1-S1, 20.2R2; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R2.
Severity ?
8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-79 - Cross-site Scripting (XSS)
Assigner
References
https://kb.juniper.net/JSA11220 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 12.3X48 , < 12.3X48-D105 (custom)
Affected: 15.1X49 , < 15.1X49-D220 (custom)
Affected: 18.3 , < 18.3R3-S5 (custom)
Affected: 18.4 , < 18.4R3-S9 (custom)
Affected: 19.1 , < 19.1R3-S7 (custom)
Affected: 19.2 , < 19.2R3-S3 (custom)
Affected: 19.3 , < 19.3R3-S4 (custom)
Affected: 19.4 , < 19.4R3-S6 (custom)
Affected: 20.1 , < 20.1R3 (custom)
Affected: 20.2 , < 20.2R1-S1, 20.2R2 (custom)
Affected: 20.3 , < 20.3R2 (custom)
Affected: 20.4 , < 20.4R2 (custom)
Affected: 21.1 , < 21.1R2 (custom)
Create a notification for this product.
Credits
Juniper SIRT would like to acknowledge and thank Fans0n Fan for responsibly reporting this vulnerability.
Show details on NVD website
To clipboard 

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Sightings

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Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.