Junos OS Evolved: Configd leaks hashes via stream and is world readable
Priority LOW 25CWE-664Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-532.
Summary
A local, authenticated user with shell can obtain the hashed values of login passwords via configd traces. This issue affects all versions of Junos OS Evolved prior to 19.3R1.
Why it matters now
EPSS 0.00315 24th percentileScored 2026-11-07
Fix Fixed Junos OS Evolved (Juniper Networks): 19.3R1-EVO
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 19.3R1-EVO
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Juniper Networks Junos OS Evolved 19.3R1-EVO
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2020-01574 Junos OS Evolved: Configd leaks hashes via log file and is world readablePriority LOW 25
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1621
- 2026-10-03 Alias added: GHSA-cwf2-c942-3pqv
References
Advisory 1
More Juniper Junos Os Evolved vulnerabilities
- TI-2026-17602 Junos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as root CVSS 4.0CRITICAL 9.3
- TI-2026-17601 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CVSS 4.0MEDIUM 6.7
- TI-2023-04136 Improper input validation in Juniper Junos OS CVSS 3.1HIGH 7.5
- TI-2026-74215 Stack-based buffer overflow in Junos OS rpd triggered by BGP peers CVSS 4.0CRITICAL 9.3
- TI-2026-74211 Authentication bypass in Juniper J-Web allows pre-auth CGI execution CVSS 4.0CRITICAL 9.3
- TI-2021-00146 Junos OS and Junos OS Evolved: Upon receipt of a specific BGP FlowSpec message network traffic may be disrupted. CVSS 3.1CRITICAL 10.0
Sources
- CVE-2020-1621 · CVE Program
- CVE-2020-1621 · NVD
- FIRST EPSS
- GHSA-cwf2-c942-3pqv · GitHub Advisory Database · CC BY 4.0
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