by Kastro
Paper/Archive/CVE-2023-27830

CVE-2023-27830

mitre — TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted…

EPSS 1%CVSS 9.0
critical.is priorityof 100
40
CVSS 9.0 (NVD, ADP agree)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 65.0.650 × 2013.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD9.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

reftightvnc.com/whatsnew.phprefmedium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208ccereftightvnc.com/news.php