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CVE-2021-28823

23
FAUCET Score

CVE-2021-28823 is a local privilege escalation vulnerability affecting TIBCO eFTL products (Community, Developer, and Enterprise Editions versions 6.5.0 and below) on Windows. A low-privileged local attacker can insert and execute malicious software with elevated privileges due to insufficient access restrictions on installation files. This vulnerability has a CVSS score of 7.8 (High), indicating high impact on confidentiality, integrity, and availability with low attack complexity. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.6.0CPE matchmatch criteria
cpe:2.3:a:tibco:eftl:*:*:*:*:community:*:*:*
< 6.6.0CPE matchmatch criteria
cpe:2.3:a:tibco:eftl:*:*:*:*:developer:*:*:*
< 6.6.0CPE matchmatch criteria
cpe:2.3:a:tibco:eftl:*:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 42nd percentile among its peer group of 17,070 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

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 / services/support/advisories
Vendor Advisory