CVE-2017-3827

mediumpriority · track · 24EPSS 0.019 · 80 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.93% (80th) EPSS

CVSS 5 · medium

Is it mine?

13 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA, both virtual and hardware appliances, that are configured with message or content filters to scan incoming email attachments on the ESA or services scanning content of web access on the WSA. More Information: SCvb91473, CSCvc76500. Known Affected Releases: 10.0.0-203 9.9.9-894 WSA10.0.0-233.

cvss

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

5.8

010

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

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.05.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (13)

Products and version ranges known to be affected.

n/a Cisco AsyncOS Software for Cisco ESA and Cisco WSA≤ Cisco AsyncOS Software for Cisco ESA and Cisco WSAenisa_euvdEU
cisco email security appliance firmware= 10.0.0-082nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 10.0.0-124nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 10.0.0-125nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 10.0.0-203nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 10.0.0-232nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 9.9.6-026nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco email security appliance firmware= 9.9.9-894nvdUScpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*
cisco web security appliance= 10.0.0-082nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 10.0.0-124nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 10.0.0-125nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 10.0.0-203nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*
cisco web security appliance= 10.0.0-232nvdUScpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*

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 2017-02-22modified 2026-06-17

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references (13)

External citations — patches, advisories, analysis.

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