What is CVE-2023-27470?

CVE-2023-27470 is a high-severity vulnerability in Microsoft Windows, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-09-11.

How severe is CVE-2023-27470?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-27470 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

CVE-2023-27470

BASupSrvcUpdater.exe in N-able Take Control Agent through 7.0.41.1141 before 7.0.43 has a TOCTOU Race Condition via a pseudo-symlink at %PROGRAMDATA%\GetSupportService_N-Central\PushUpdates, leading to arbitrary file deletion.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.005 (42.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-27470?: CVE-2023-27470 is a high-severity vulnerability in Microsoft Windows, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-09-11.
How severe is CVE-2023-27470?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-27470 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.