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CVE-2022-25226

51
FAUCET Score

CVE-2022-25226 is a critical authentication bypass vulnerability affecting ThinVNC version 1.0b1, allowing unauthenticated attackers to obtain a valid session ID. This flaw, rated 10.0 CVSS (CRITICAL), enables remote code execution on the server with low attack complexity via network access. The vulnerability has a high EPSS score (0.81886) and a FAUCET Risk Score of 89.0, indicating a very high probability of exploitation. Publicly available exploit code exists via Nuclei templates and GitHub, and it has garnered significant community discussion, underscoring its immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:cybelsoft:thinvnc:1.0:b1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
11.03%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2022-25226 · Feb 11, 2025
This CVE's current EPSS score of 0.1103 is in the 91st percentile among its peer group of 36,862 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

fluidattacks.com / advisories/sinatra
ExploitThird Party Advisory