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CVE-2020-1615

24
FAUCET Score

CVE-2020-1615 describes a critical vulnerability in Juniper Networks Junos OS for vMX installations, where default root account credentials are shipped, allowing unauthorized access if not changed. This flaw impacts numerous Junos OS versions across various releases (17.1 through 19.3) specifically on vMX. With a CVSS score of 9.8 (Critical), it presents a high-risk attack vector (AV:N) with low attack complexity (AC:L), enabling full compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) without user interaction. There is no evidence of active exploitation (KEV: No), nor are there publicly available exploit modules in Metasploit or Nuclei, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
17.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:17.1:-:*:*:*:*:*:*
17.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:*
17.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:17.1:r2:*:*:*:*:*:*
17.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:17.1:r2-s1:*:*:*:*:*:*
17.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:17.1:r2-s10:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 63rd percentile among its peer group of 36,897 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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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 / JSA10998
Vendor Advisory