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CVE-2020-1669

17
FAUCET Score

CVE-2020-1669 is a medium-severity vulnerability affecting Juniper Networks NFX350 Series devices running specific versions of Junos OS. The Juniper Device Manager (JDM) container stores password hashes in the world-readable /etc/passwd file, which is a security misconfiguration. An attacker with local filesystem access could brute-force these hashes, potentially leading to unauthorized access. The CVSS score is 6.3 (MEDIUM), indicating a local attack vector with high impact on confidentiality and integrity, but requiring high attack complexity and low privileges. While the EPSS score is very low, suggesting a minimal likelihood of exploitation, this vulnerability still poses a risk if an attacker gains initial access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. This suggests it is not currently a widely targeted vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
19.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*
19.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*
19.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*
19.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:*
20.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 59th percentile among its peer group of 1,297 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / JSA11066
Vendor Advisory