CVE-2020-1621
Junos OS Evolved: Configd leaks hashes via stream and is world readable
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Junos OS Evolved: Configd leaks hashes via stream and is world readable
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.
- Record
CVE-2020-1621- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-664
- Updated
- 2026-11-02
EUVDEUVD-2020-12489
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.
- Record
EUVD-2020-12489- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cwf2-c942-3pqv No score
A local, authenticated user with shell can obtain the hashed values of login passwords via...
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.
- Record
GHSA-cwf2-c942-3pqv- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-1621- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-664, CWE-532
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1621 is a medium vulnerability (CVSS 5.5) in Juniper Junos Os Evolved, published April 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.