CVE-2024-20879
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper input validation vulnerability in libsavscmn.so prior to SMR Jun-2024 Release 1 allows local attackers to write out-of-bounds memory.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceImproper input validation in libsavscmn.so allows local attackers to perform out-of-bounds memory writes. This is a library-level vulnerability affecting Samsung mobile software prior to the June 2024 SMR release, enabling potential local privilege escalation or code execution through malformed inputs.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 12.0= 13.0= 14.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Check Android versionGo to Settings > About Phone > Android version, or run 'getprop ro.build.version.release' via ADBAffected if Version is 12.0, 13.0, or 14.0 (prior to SMR Jun-2024 update)
-
Check Samsung SMR patch levelGo to Settings > About Phone > Software information > Build number, or run 'getprop ro.build.version.sem' via ADBAffected if Build date is before June 2024 or SMR version is earlier than Jun-2024 Release 1
-
Verify libsavscmn.so presenceCheck for the library at /vendor/lib/libsavscmn.so or /system/lib/libsavscmn.so using ADB: 'ls -la /vendor/lib/libsavscmn.so'Affected if Library exists on the device (vulnerable if unpatched)
-
Check device security patch levelGo to Settings > About Phone > Security patch level, or run 'getprop ro.build.version.security_patch' via ADBAffected if Security patch level is before 2024-06-01
A Samsung Android device is affected if it runs version 12.0, 13.0, or 14.0 and has not received the June 2024 SMR security update (security patch level before June 2024).
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedApply the SMR Jun-2024 Release 1 patch or later to update libsavscmn.so. Since this is a local attack requiring device access, ensure devices are not jailbroken and restrict access to trusted users only until the patch is applied.
Samsung SMR June 2024 Release 1 (Security Maintenance Release)
- 1. Navigate to Settings on your Samsung Galaxy device
- 2. Go to Security and Privacy (or Settings > Software update on some models)
- 3. Tap on Security update or Check for updates
- 4. Ensure the device updates to the June 2024 security patch level (SMR Jun-2024 Release 1)
- 5. Verify the update was installed by returning to the security settings and confirming the patch date
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing12.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,616.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-20879 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-20879 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data