PoC Index

CVE-2023-27830

CRITICAL 9.0EPSS 1.1%

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.

CVSS v3.1
9.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v3.1
9.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
1.08% chance of exploitation in the next 30 days, 63th percentile
Published
2023-04-12
Updated
2025-02-08

Proof-of-concept exploits (1)

References

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