Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-11208

31
FAUCET Score

CVE-2019-11208 is a critical authorization bypass vulnerability in TIBCO API Exchange Gateway and its Silver Fabric distribution, affecting versions 2.3.1 and prior. It allows for potential privilege escalation due to incorrect OAuth authorization processing when multiple scopes are used. With a CVSS score of 9.9, this network-exploitable flaw requires low privileges but has high impact on confidentiality, integrity, and availability. There is no known active exploitation or public exploit code, though community discussion indicates awareness.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.3.1CPE matchmatch criteria
cpe:2.3:a:tibco:api_exchange_gateway:*:*:*:*:*:*:*:*
<= 2.3.1CPE matchmatch criteria
cpe:2.3:a:tibco:api_exchange_gateway:*:*:*:*:*:silver_fabric:*:*

CVSS Data

CVSS version used by this source: 3.0

6.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 65th percentile among its peer group of 1,124 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 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

tibco.com / support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchange
Issue TrackingVendor Advisory
tibco.com / services/support/advisories
Vendor Advisory