CVE-2017-12281

mediumpriority · track · 30EPSS 0.007 · 54 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.71% (54th) EPSS

CVSS 5.4 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

A vulnerability in the implementation of Protected Extensible Authentication Protocol (PEAP) functionality for standalone configurations of Cisco Aironet 1800, 2800, and 3800 Series Access Points could allow an unauthenticated, adjacent attacker to bypass authentication and connect to an affected device. The vulnerability exists because the affected device uses an incorrect default configuration setting of fail open when running in standalone mode. An attacker could exploit this vulnerability by attempting to connect to an affected device. A successful exploit could allow the attacker to bypass authentication and connect to the affected device. This vulnerability affects Cisco Aironet 1800, 2800, and 3800 Series Access Points that are running a vulnerable software release and use WLAN configuration settings that include FlexConnect local switching and central authentication with MAC filtering. Cisco Bug IDs: CSCvd46314.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.4–7.5

v2.05.4mediumAV:A/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 5.5 · impact 6.4

v3.07.5highCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.06.9mediumCVSS:3.0/AV:A/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-287USprimary

affected products (4)

Products and version ranges known to be affected.

n/a Cisco Aironet 1800, 2800, and 3800 Series Access Points≤ Cisco Aironet 1800, 2800, and 3800 Series Access Pointsenisa_euvdEU
cisco aironet 1800 firmwareall versionsnvdUScpe:2.3:o:cisco:aironet_1800_firmware:*:*:*:*:*:*:*:*
cisco aironet 2800 firmwareall versionsnvdUScpe:2.3:o:cisco:aironet_2800_firmware:*:*:*:*:*:*:*:*
cisco aironet 3800 firmwareall versionsnvdUScpe:2.3:o:cisco:aironet_3800_firmware:*:*:*:*:*:*:*:*

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 2017-11-02modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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