CVE-2017-3226

mediumpriority · track · 26EPSS 0.003 · 18 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (18th) EPSS

CVSS 4.4 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. Devices that make use of Das U-Boot's AES-CBC encryption feature using environment encryption (i.e., setting the configuration parameter CONFIG_ENV_AES=y) read environment variables from disk as the encrypted disk image is processed. An attacker with physical access to the device can manipulate the encrypted environment data to include a crafted two-byte sequence which triggers an error in environment variable parsing. This error condition is improperly handled by Das U-Boot, resulting in an immediate process termination with a debugging message.

cvss

Technical severity, 0–10. One row per scoring source.

6.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.4mediumAV:L/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 6.4

v3.06.4mediumCVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.5 · impact 5.9

v3.05.9mediumCVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimaryCWE-329US

affected products (2)

Products and version ranges known to be affected.

Das U-Boot2017.09 → 2017.09enisa_euvdEU
denx u-boot< 2017.09nvdUScpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-24modified 2026-06-17

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references (6)

External citations — patches, advisories, analysis.

https://www.kb.cert.org/vuls/id/166743 cnnvd
https://www.securityfocus.com/bid/100675 cnnvd
http://www.securityfocus.com/bid/100675 enisa_euvd
https://www.kb.cert.org/vuls/id/166743 enisa_euvd
http://www.securityfocus.com/bid/100675Third Party AdvisoryVDB Entrynvd
https://www.kb.cert.org/vuls/id/166743Third Party AdvisoryUS Government Resourcenvd

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