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-2019-5523

25
FAUCET Score

CVE-2019-5523 is a critical remote session hijack vulnerability affecting VMware vCloud Director for Service Providers versions 9.5.x prior to 9.5.0.3. An unauthenticated attacker can exploit this flaw to impersonate a logged-in user and gain unauthorized access to the Tenant or Provider Portals. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no public exploit code or evidence of active exploitation, the vulnerability has garnered significant community and media attention, indicating its potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.5.0.0, < 9.5.0.3CPE matchmatch criteria
cpe:2.3:a:vmware:vcloud_director:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
3.26%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0326 is in the 79th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/152289/VMware-Security-Advisory-2019-0004.html
Third Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2019-0004.html
Vendor Advisory
securityfocus.com / bid/107638
Third Party AdvisoryVDB Entry