CVE-2017-17553: The Dolphin Browser for Android 12.0.2 suffers from an insecure parsing implementation of the Intent URI schem

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2017-17553 is a medium-severity flaw (CVSS 5.3) affecting dolphin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Dolphin Browser for Android 12.0.2 suffers from an insecure parsing implementation of the Intent URI scheme. This vulnerability could allow attackers to abuse this implementation through a malicious Intent URI, in order to invoke private Activities within the Dolphin Browser.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Published	2017-12-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: changyou

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-12-12 00:29 UTCPublished CVE record published
2026-06-17 01:11 UTCUpdated Record last modified

changyou dolphin DOWNGRADE

Affected: 12.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.0.2

1. Check installed version

apt-cache policy dolphin || rpm -q dolphin || dolphin --version

2. No fixed release: DOWNGRADE to a release before 12.0.2 (Debian / Ubuntu)

apt-cache madison dolphin sudo apt install dolphin=<VERSION_BEFORE_12.0.2> sudo apt-mark hold dolphin

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dolphin sudo dnf downgrade dolphin-<VERSION_BEFORE_12.0.2> sudo dnf versionlock add dolphin

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-17553?

dolphin: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-17553 being exploited?

CVE-2017-17553 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-17553 affect?

CVE-2017-17553 affects dolphin. Severity is medium (CVSS 5.3). The Dolphin Browser for Android 12.0.2 suffers from an insecure parsing implementation of the Intent URI scheme. This vulnerability could allow attackers to abuse this implementation through a malicious Intent URI, in order to invoke privat

How urgent is CVE-2017-17553?

Priority 38/100. Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

Related CVEs

CVE-2021-27969 MEDIUM 4.8 DOWNGRADE Dolphin CMS 7.4.2 is vulnerable to stored XSS via the Page Builder "width" parameter.
CVE-2017-17551 HIGH 8.8 DOWNGRADE The Backup and Restore feature in Mobotap Dolphin Browser for Android 12.0.2 suffers from an arbitrary file wr
CVE-2013-3638 HIGH 8.8 UPGRADE SQL injection vulnerability in Boonex Dolphin before 7.1.3 allows remote authenticated users to execute arbitr

References

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