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CVE-2023-1684

30
FAUCET Score

CVE-2023-1684 is a critical unrestricted file upload vulnerability affecting HadSky 7.7.16, specifically within the file upload/index.php component. This flaw allows an unauthenticated attacker to remotely upload arbitrary files, potentially leading to full system compromise. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction required, resulting in high impacts to confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, nor are there readily available Metasploit or Nuclei modules, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
7.7.16CPE matchmatch criteria
cpe:2.3:a:hadsky:hadsky:7.7.16:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 39th percentile among its peer group of 36,897 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

Remediation records are not available for this CVE.

References

gitee.com / wkstestete/cve/blob/master/upload/HadSky.md
ExploitThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory