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CVE-2019-18355

27
FAUCET Score

CVE-2019-18355 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting Thycotic Secret Server versions prior to 10.7, specifically within its legacy Web launcher. With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to remotely execute arbitrary requests, potentially leading to full compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high severity and ease of exploitation warrant immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.7.000000CPE matchmatch criteria
cpe:2.3:a:thycotic:secret_server:*:*:*:*:*:*:*:*

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
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 59th percentile among its peer group of 36,897 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

thycotic.force.com / support/s/article/SS-RN-EXT-Secret-Server-10-7-000000-Legacy-Release-Notes
Release NotesVendor Advisory