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CVE-2021-3845

25
FAUCET Score

CVE-2021-3845 describes an External Control of File Name or Path vulnerability in ws-scrcpy, specifically affecting the ws_scrcpy_project. This high-severity vulnerability (CVSS 7.5) allows an unauthenticated attacker to remotely manipulate file names or paths with high impact on confidentiality, though without affecting integrity or availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.1CPE matchmatch criteria
cpe:2.3:a:ws_scrcpy_project:ws_scrcpy:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 45th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / netristv/ws-scrcpy/commit/e83cf65438bef83a3503b25358bba97bcc156fef
PatchThird Party Advisory
huntr.dev / bounties/dc7fc98f-4f4f-440a-b6f6-124a56ea36ef
ExploitIssue TrackingPatchThird Party Advisory