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CVE-2018-0059

20
FAUCET Score

CVE-2018-0059 is a persistent cross-site scripting (XSS) vulnerability affecting the graphical user interface of Juniper Networks ScreenOS versions prior to 6.3.0r26. An authenticated attacker could inject malicious web script or HTML, potentially stealing sensitive data and credentials from an administrative web session or tricking an administrator into performing unauthorized actions. This vulnerability has a CVSS score of 5.4 (Medium), indicating a low attack complexity and requiring user interaction, but with the potential for low impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.3.0CPE matchmatch criteria
cpe:2.3:o:juniper:netscreen_screenos:6.3.0:*:*:*:*:*:*:*
6.3.0r1CPE matchmatch criteria
cpe:2.3:o:juniper:netscreen_screenos:6.3.0r1:*:*:*:*:*:*:*
6.3.0r2CPE matchmatch criteria
cpe:2.3:o:juniper:netscreen_screenos:6.3.0r2:*:*:*:*:*:*:*
6.3.0r3CPE matchmatch criteria
cpe:2.3:o:juniper:netscreen_screenos:6.3.0r3:*:*:*:*:*:*:*
6.3.0r4CPE matchmatch criteria
cpe:2.3:o:juniper:netscreen_screenos:6.3.0r4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 88th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.0 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 / JSA10894
Vendor Advisory