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CVE-2018-20808

21
FAUCET Score

CVE-2018-20808 describes a Cross-Site Scripting (XSS) vulnerability in Pulse Secure Pulse Connect Secure versions 8.3RX prior to 8.3R3, specifically within the rd.cgi component due to improper header sanitization. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.3CPE matchmatch criteria
cpe:2.3:a:ivanti:connect_secure:8.3:r1:*:*:*:*:*:*
8.3CPE matchmatch criteria
cpe:2.3:a:ivanti:connect_secure:8.3:r2:*:*:*:*:*:*
8.3CPE matchmatch criteria
cpe:2.3:a:ivanti:connect_secure:8.3:r2.1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 85th percentile among its peer group of 26,236 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

Remediation records are not available for this CVE.

References

kb.pulsesecure.net / articles/Pulse_Security_Advisories/SA43877
Vendor Advisory