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CVE-2020-16257

31
FAUCET Score

CVE-2020-16257 is a critical command injection vulnerability affecting Winston 1.5.4 devices, specifically the winstonprivacy winston and winstonprivacy winston_firmware products. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to execute arbitrary commands remotely with high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
1.5.4CPE matchmatch criteria
cpe:2.3:o:winstonprivacy:winston_firmware:1.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.69%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0369 is in the 81st percentile among its peer group of 36,862 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

labs.bishopfox.com / advisories/winston-privacy-version-1.5.4
ExploitThird Party Advisory
winstonprivacy.com
Product