SARA / Free Tools / KEV / CVE-2020-1631

CVE-2020-1631 on CISA KEV

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning (ZTP) allows an unauthenticated attacker to perform local file inclusion (LFI) or path traversal. U

CISA KEV — Actively Exploited

Juniper Junos OS Path Traversal Vulnerability

Vendor / Product
— / Juniper / Junos OS
Added to KEV
2022-03-25
BOD 22-01 due
2022-04-15
Ransomware use
Unknown
CVSS / EPSS
8.8 HIGH · EPSS 5.40%

01What CISA says about this vulnerability

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning (ZTP) allows an unauthenticated attacker to perform local file inclusion (LFI) or path traversal. Using this vulnerability, an attacker may be able to inject commands into the httpd.log, read files with 'world'…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
Juniper NetworksJunos OS12.3, 12.3X48, 14.1X53, 15.1, 15.1X49, 16.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.3, 18.4, 19.1, 19.2, 19.3, 19.4, 20.1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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