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CVE-2022-35866

Public exploit available. Not confirmed exploited in the wild yet. No fix published yet.

CVSS 3.19.8CriticalEPSS percentile92nd4.7% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFixNone yetNo fix or workaround published

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

No fixed build or workaround is published yet. Limit exposure and watch for a patch.

  • Vinchin Backup and RecoveryAffected: 6.5.0.17561Upgrade to: not statedStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

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What it is

From the CVE record

This vulnerability allows remote attackers to bypass authentication on affected installations of Vinchin Backup and Recovery 6.5.0.17561. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the MySQL server. The server uses a hard-coded password for the administrator user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-17139.

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.

EPSS92nd
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

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

4.7% chance of exploitation activity in the next 30 days, which ranks it in the 92nd percentile of scored CVEs.

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

Lifecycle

5 events over 1311 days, from the signal feeds we watch.

  1. Public exploit / PoCsource: packetstorm
  2. Record updated
  3. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 9.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

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

Sources

References in the record

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We'll flag the next CVE, public exploit or patch for Backup and Recovery, not every advisory. This one: public exploit.