MediumPublic exploit

Improper Privilege Handling in Samsung SecTelephonyProvider

IdentifiersCVE-2026-21017CWE-269

CVE-2026-21017 is an improper privilege handling vulnerability in Samsung SecTelephonyProvider affecting versions prior to Samsung SMR Jun-2026 Release 1. According to the provided advisory text, insufficient privileges are handled improperly, allowing a local attacker to access privileged files. Specific vulnerable functions or code paths are not provided in the available content.

For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

Start free trial

ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows a local attacker to bypass intended privilege restrictions and read or otherwise access privileged files exposed through the vulnerable SecTelephonyProvider component. This can result in unauthorized access to sensitive information stored in files that should be restricted to higher-privileged contexts.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure by limiting local attacker access to affected devices, restricting installation and execution of untrusted applications, and enforcing least-privilege controls and application vetting until Samsung SMR Jun-2026 Release 1 or later can be deployed. No vendor-specific workaround is provided in the available content.

Remediation

Patch, then assume compromise.

Apply Samsung SMR Jun-2026 Release 1 or later, which contains the vendor-provided fix for this issue in SecTelephonyProvider.

PUBLIC EXPLOITS

Exploits

1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.

VALID 1 / 1 TOTALView more in app

CVE-2026-21017-LDAP-Anonymous-Bind-Privilege-EscalationMaturityPoCVerified exploit

This repository is a minimal proof-of-concept for CVE-2026-21017, demonstrating LDAP anonymous bind abuse against a misconfigured directory service. The repository contains three files: an MIT LICENSE, a README describing the issue and usage, and a single Python script, ldap_anon_sim.py, which is the only code file and clear entry point. The script uses the ldap3 library to connect to ldap://localhost:389, bind with ANONYMOUS authentication, and attempt an LDAP add operation for the DN uid=attacker,ou=people,dc=example,dc=com with object class inetOrgPerson and a controlled userPassword value. Its core capability is unauthorized directory modification via anonymous access, specifically creating a user account that could be leveraged for privilege escalation if the target ACLs are weak enough. The code is simple, hardcoded, and demonstrative rather than operationally robust: there is no argument parsing, no target customization, no error handling, and no post-exploitation logic. It is not a detection script and does perform an exploit action, but it is best classified as a POC because it only illustrates the concept against a presumed vulnerable LDAP configuration.

George0PapasotiriouDisclosed Aug 4, 2026pythonmarkdownnetwork

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

Samsung ElectronicsAndroidoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

No public activity tracked yet. Mallory keeps watching.

0 SOURCESView more in app

No public activity observed for this vulnerability.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

Start free trial

Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity