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CVE-2018-20306

19
FAUCET Score

CVE-2018-20306 is a stored cross-site scripting (XSS) vulnerability affecting Pulse Secure Virtual Traffic Manager versions 9.9 prior to 9.9r2 and 10.4r1. An authenticated attacker can inject malicious web script or HTML through a crafted website in the web administration UI, potentially leading to the theft of sensitive data and credentials. Rated Medium severity (CVSS 5.4), this vulnerability requires user interaction and authenticated access, but can result in partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.9, < 9.9r2CPE matchmatch criteria
cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:*
>= 10.4, < 10.4r1CPE matchmatch criteria
cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:*
>= 17.2, < 17.2r1CPE matchmatch criteria
cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:*

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
0.54%
Probability of exploitation in next 30 days
EPSS Percentile
42.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0054 is in the 66th percentile among its peer group of 15,239 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

Remediation records are not available for this CVE.

References

kb.pulsesecure.net / articles/Pulse_Security_Advisories/SA43730
Vendor Advisory