Vinchin Backup & Recovery v7.2 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the syncNtpTime fun…

published 2024-02-02 2y ago modified 2026-07-09 4mo ago also EUVD-2024-20424

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

Vinchin Backup & Recovery v7.2 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the syncNtpTime function.

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2y ago (2024-02-05)

Exploit prediction

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

blog.leakix.net https://blog.leakix.net/2024/01/vinchin-backup-rce-chain/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

blog.leakix.net /2024/01/vinchin-backup-rce-chain/
exploit, third-party-advisory
seclists.org /fulldisclosure/2024/Jan/29
mailing-list, third-party-advisory
packetstormsecurity.com /files/176793/Vinchin-Backup-And-Recovery-7.2-syncNtpTime-Command-Injection.html
seclists.org /fulldisclosure/2024/Jan/29

Sources

CVE List CVE-2024-22899
NVD CVE-2024-22899

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.