CVE-2013-5112Public exploit

Protected-note disclosure via backup-accessible PIN storage

Published Jan 31, 2020 · Updated Aug 6, 2024

Authentication bypass in Evernote for Android before 5.5.1 allows physically proximate attackers to access protected notes via ADB backup. The app permits Android Debug Bridge backups of its container and stores the PIN in com.evernote_preferences.xml with reversible XOR obfuscation. Physical device access, Android 4.x or later, and enabled USB debugging are required; no root access is needed to recover or remove the PIN.

CVSS severity4.6
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Evernote for Android before 5.5.1 allows physically proximate attackers to access protected notes via ADB backup. The app permits Android Debug Bridge backups of its container and stores the PIN in com.evernote_preferences.xml with reversible XOR obfuscation. Physical device access, Android 4.x or later, and enabled USB debugging are required; no root access is needed to recover or remove the PIN.

The record

CVE
CVE-2013-5112
Published
Jan 31, 2020
Updated
Aug 6, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-287, T1532
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 31, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.6c22 SecurityAV:L/AC:L/Au:N/C:C/I:C/A:N
2.1NIST NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
4.6NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1532Data from Local System

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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