CVE-2023-36612: Directory traversal can occur in the Basecamp com.basecamp.bc3 application before 4.2.1 for Android, which may

Q: How do I fix CVE-2023-36612?

basecamp: upgrade to 4.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-36612 being exploited?

CVE-2023-36612 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-36612 affect?

CVE-2023-36612 affects basecamp. Severity is high (CVSS 7.5). Directory traversal can occur in the Basecamp com.basecamp.bc3 application before 4.2.1 for Android, which may allow an attacker to write arbitrary files in the application's private directory. Additionally, by using a malicious intent, the

Q: How urgent is CVE-2023-36612?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2023-36612 is a high-severity flaw (CVSS 7.5) affecting basecamp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal can occur in the Basecamp com.basecamp.bc3 application before 4.2.1 for Android, which may allow an attacker to write arbitrary files in the application's private directory. Additionally, by using a malicious intent, the attacker may redirect the server's responses (containing sensitive information) to third-party applications by using a custom-crafted deeplink scheme.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-06-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: basecamp

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

Am I affected?

Timeline

2023-06-25 03:15 UTCPublished CVE record published
2026-06-17 06:06 UTCUpdated Record last modified

basecamp basecamp UPGRADE

Affected: < 4.2.1

Fixed in: 4.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade basecamp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade basecamp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-36612?

basecamp: upgrade to 4.2.1. Exact commands for each OS are on this page.

Is CVE-2023-36612 being exploited?

CVE-2023-36612 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-2023-36612 affect?

CVE-2023-36612 affects basecamp. Severity is high (CVSS 7.5). Directory traversal can occur in the Basecamp com.basecamp.bc3 application before 4.2.1 for Android, which may allow an attacker to write arbitrary files in the application's private directory. Additionally, by using a malicious intent, the

How urgent is CVE-2023-36612?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

References

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