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CVE-2020-15502

24
FAUCET Score

CVE-2020-15502 describes a privacy vulnerability in the DuckDuckGo application for Android (through 5.58.0) and iOS (through 7.47.1.0). The application inadvertently sends hostnames of visited websites via HTTPS .ico requests to DuckDuckGo servers, potentially exposing browsing data at a "Potentially Unwanted Endpoint." This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a high impact on confidentiality with no authentication or user interaction required for exploitation. Despite the severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.58.0CPE matchmatch criteria
cpe:2.3:a:duckduckgo:duckduckgo:*:*:*:*:*:android:*:*
<= 7.47.1.0CPE matchmatch criteria
cpe:2.3:a:duckduckgo:duckduckgo:*:*:*:*:*:iphone_os:*:*

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
1.53%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0153 is in the 54th percentile among its peer group of 51,506 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 / duckduckgo/Android/blob/e2f2d54a6b4452277467db403a3546512401b493/app/src/main/java/com/duckduckgo/app/global/UriExtension.kt
PatchThird Party Advisory
github.com / duckduckgo/Android/issues/527
Third Party Advisory
github.com / duckduckgo/iOS/blob/1ae03d7221180bd6791cf6f7f06922a96335cf75/Core/AppUrls.swift
Third Party Advisory
news.ycombinator.com / item
PatchThird Party Advisory
news.ycombinator.com / item
Third Party Advisory