CVE-2023-29766: An issue found in CrossX v.1.15.3 for Android allows a local attacker to cause an escalation of Privileges via

Routine

HIGH 7.8DOWNGRADE

CVE-2023-29766 is a high-severity flaw (CVSS 7.8) affecting crossx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue found in CrossX v.1.15.3 for Android allows a local attacker to cause an escalation of Privileges via the database files.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-863
Published	2023-06-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: appcrossx

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

Am I affected?

Timeline

2023-06-09 20:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

appcrossx crossx DOWNGRADE

Affected: 1.15.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.15.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.15.3 (Debian / Ubuntu)

apt-cache madison crossx sudo apt install crossx=<VERSION_BEFORE_1.15.3> sudo apt-mark hold crossx

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

dnf --showduplicates list crossx sudo dnf downgrade crossx-<VERSION_BEFORE_1.15.3> sudo dnf versionlock add crossx

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-2023-29766?

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

Is CVE-2023-29766 being exploited?

CVE-2023-29766 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-2023-29766 affect?

CVE-2023-29766 affects crossx. Severity is high (CVSS 7.8). An issue found in CrossX v.1.15.3 for Android allows a local attacker to cause an escalation of Privileges via the database files.

How urgent is CVE-2023-29766?

Priority 38/100. High severity; Public exploit reference

Software pages

Android vulnerabilities

Related CVEs

CVE-2023-29767 MEDIUM 5.5 DOWNGRADE An issue found in CrossX v.1.15.3 for Android allows a local attacker to cause a persistent denial of service

References

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