Vulnerability Details : CVE-2023-27830
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.
Products affected by CVE-2023-27830
- cpe:2.3:a:tightvnc:tightvnc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-27830
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-27830
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
NIST |
CWE ids for CVE-2023-27830
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-27830
-
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce
Vulnerability Disclosure -Privilege Escalation @ TightVNC | by Kartik Lalan | NestedIf | Mar, 2023 | MediumExploit;Third Party Advisory
-
https://www.tightvnc.com/news.php
TightVNC NewsProduct;Release Notes
-
https://www.tightvnc.com/whatsnew.php
TightVNC: What's New in TightVNCProduct;Release Notes
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