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CVE-2017-5753

Public exploit available. Not confirmed exploited in the wild yet. Fixed versions are out.

CVSS 3.15.6MediumEPSS percentile99th94% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 4 sourcesFix5 products4 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Synology Router ManagerAffected: ≥ 1.1, < 1.1.7-6941-1Upgrade to: 1.1.7-6941-1Stated by: NVD
  • Synology Virtual Machine ManagerAffected: < 6.2-23739Upgrade to: 6.2-23739Stated by: NVD
  • Synology Diskstation ManagerAffected: ≥ 5.2, < 6.2.2-24922Upgrade to: 6.2.2-24922Stated by: NVD
  • Siemens Simatic Itc1500 FirmwareAffected: < 3.1Upgrade to: 3.1Stated by: NVD
  • Siemens Simatic Itc1500 Pro FirmwareAffected: < 3.1Upgrade to: 3.1Stated by: NVD

Versions as the sources state them. 6 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

4 sources with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

94% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

A public exploit existed 83 days before the patch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Public exploit / PoCsource: exploit-db
  4. Publishedweakness classified, att&ck mapped

Affected products

And 351 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Scored 5.6 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 139 more references. See all after sign-in

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