CVE-2017-6672

mediumpriority · track · 31OT risk · elevatedEPSS 0.018 · 79 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.83% (79th) EPSS

CVSS 5 · medium

Is it mine?

24 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to bypass ACL rules that have been configured for an affected device. More Information: CSCvb99022 CSCvc16964 CSCvc37351 CSCvc54843 CSCvc63444 CSCvc77815 CSCvc88658 CSCve08955 CSCve14141 CSCve33870.

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 · 5–7.5

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

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimary

affected products (24)

Products and version ranges known to be affected.

n/a Cisco ASR 5000 Series Aggregation Services Routers≤ Cisco ASR 5000 Series Aggregation Services Routersenisa_euvdEU
cisco asr 5000 series software= 19.3.11nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 19.3.12nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 19.3.5nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 19.6.0nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 19.6.3nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 19.6.6nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 20.1.v5nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 20.2.12nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 20.2.4nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 20.3.0nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 20.3.1nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.0.v1.66638nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.0.v2nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.0nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.2nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.m0.65710nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.m0.65921nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.m0.65931nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*
cisco asr 5000 series software= 21.1.m0.65986nvdUScpe:2.3:a:cisco:asr_5000_series_software:*:*:*:*:*:*:*:*

showing 20 of 24

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 2017-07-25modified 2026-06-17

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+5006 more

references (9)

External citations — patches, advisories, analysis.

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