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-2021-22907

24
FAUCET Score

CVE-2021-22907 is an improper access control vulnerability in Citrix Workspace App for Windows, affecting versions prior to 2105 (CR) and 1912 LTSR CU4. This flaw allows for local privilege escalation, carrying a CVSS score of 7.8 (High) due to its potential for high impact on confidentiality, integrity, and availability with low attack complexity. While the vulnerability is not listed in CISA's KEV catalog and no public exploit code exists, it has garnered some community discussion and media coverage, indicating awareness despite no confirmed active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 19.12.4000CPE matchmatch criteria
cpe:2.3:a:citrix:workspace:*:*:*:*:ltsr:windows:*:*
< 2105CPE matchmatch criteria
cpe:2.3:a:citrix:workspace:*:*:*:*:-:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 47th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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)

citrixvendor investigatingvia nvd_reference
View patch

References

support.citrix.com / article/CTX307794
Vendor Advisory