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CVE-2020-1607

19
FAUCET Score

CVE-2020-1607 describes an insufficient Cross-Site Scripting (XSS) vulnerability in Juniper Networks Junos OS J-Web interface, affecting numerous versions across various product lines including SRX, EX, and QFX Series devices. This medium-severity vulnerability (CVSS 6.1) allows a remote attacker to inject malicious web script or HTML, potentially hijacking a target user's J-Web session and performing administrative actions. The attack requires user interaction (UI:R) but has low attack complexity (AC:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:-:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r1:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r11:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r12:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r12-s1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 66th percentile among its peer group of 26,220 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 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 0.1 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 / JSA10986
Vendor Advisory