CVE-2023-27830
Severity Score
9.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-03-05 CVE Reserved
- 2023-04-12 CVE Published
- 2025-02-08 CVE Updated
- 2025-02-08 First Exploit
- 2025-06-14 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-269: Improper Privilege Management
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://www.tightvnc.com/news.php | Product | |
| https://www.tightvnc.com/whatsnew.php | Product |
| URL | Date | SRC |
|---|---|---|
| https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce | 2025-02-08 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|