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CVE-2023-2909

29
FAUCET Score

CVE-2023-2909 is a critical path traversal vulnerability in the ASUSTOR ADM EZ Sync service, affecting versions 4.0.6.REG2, 4.1.0 and below, and 4.2.1.RGE2 and below. An unauthenticated attacker can exploit this flaw to delete arbitrary files on the system by manipulating user input to navigate beyond the intended directory. With a CVSS score of 10.0 (Critical), this vulnerability presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, <= 4.0.6.reg2CPE matchmatch criteria
cpe:2.3:a:asustor:adm:*:*:*:*:*:*:*:*
>= 4.1.0, <= 4.1.0rlq1CPE matchmatch criteria
cpe:2.3:a:asustor:adm:*:*:*:*:*:*:*:*
>= 4.2.0, <= 4.2.1.rge2CPE matchmatch criteria
cpe:2.3:a:asustor:adm:*:*:*:*:*:*:*:*
>= 4.0, <= 4.0.6.REG2CPE match
cpe:2.3:a:asustor:adm:*:*:*:*:*:*:*:*
>= 4.1, <= 4.1.0.RLQ1CPE match
cpe:2.3:a:asustor:adm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.5HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 30th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

githubpatch availablevia llm_extracted
View patch

Vendor Advisories (1)

githubllm-github-7c2dd99b4d7d3688HIGH

AS-2023-007: EZ Sync on ADM

Jun 29, 2023

References

asustor.com / security/security_advisory_detail
Vendor Advisory