CVE-2020-12680

Local credential disclosure via unchecked native messaging calls

Published May 8, 2020 · Updated Aug 4, 2024

Credential disclosure in Avira Free Antivirus 15.0.2005.1866 and earlier allows local users to read stored browser credentials. Avira.PWM.NativeMessaging.exe accepts fetchChromePasswords and fetchCredentials requests without verifying the calling program. Any local user able to invoke the executable can retrieve the logged-in user's saved credentials; some third parties dispute the vulnerability classification.

CVSS severity5.5
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential disclosure in Avira Free Antivirus 15.0.2005.1866 and earlier allows local users to read stored browser credentials. Avira.PWM.NativeMessaging.exe accepts fetchChromePasswords and fetchCredentials requests without verifying the calling program. Any local user able to invoke the executable can retrieve the logged-in user's saved credentials; some third parties dispute the vulnerability classification.

The record

CVE
CVE-2020-12680
Published
May 8, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1555.003
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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 vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.1NVDAV:L/AC:L/Au:N/C:P/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1555.003Credentials from Password Stores: Credentials from Web Browsers

Public exploit references

No public exploit references are available in this record.

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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