Juniper Junos OS Path Traversal Vulnerability (CVE-2020-1631)
Severity: critical · Patch status: patched · Since 2022-03-25 · CVE-2020-1631
A path traversal 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 remote code execution. CISA added CVE-2020-1631 to its Known Exploited Vulnerabilities catalog on Mar 25, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 15, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch