VIR Vulnerability Intelligence Relay

CVE-2017-6672

high
Published 2017-07-25 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

Description

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.

Predictions

Exploit likelihood
83%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
cisco ciscoasr_5000_series_software19.3.5
cisco ciscoasr_5000_series_software19.3.11
cisco ciscoasr_5000_series_software19.3.12
cisco ciscoasr_5000_series_software19.6.0
cisco ciscoasr_5000_series_software19.6.3
cisco ciscoasr_5000_series_software19.6.6
cisco ciscoasr_5000_series_software20.1.v5
cisco ciscoasr_5000_series_software20.2.4
cisco ciscoasr_5000_series_software20.2.12
cisco ciscoasr_5000_series_software20.3.0
cisco ciscoasr_5000_series_software20.3.1
cisco ciscoasr_5000_series_software21.0.v1.66638
cisco ciscoasr_5000_series_software21.0.v2
cisco ciscoasr_5000_series_software21.1.0
cisco ciscoasr_5000_series_software21.1.2
cisco ciscoasr_5000_series_software21.1.m0.65710
cisco ciscoasr_5000_series_software21.1.m0.65921
cisco ciscoasr_5000_series_software21.1.m0.65931
cisco ciscoasr_5000_series_software21.1.m0.65986
cisco ciscoasr_5000_series_software21.1.v0
cisco ciscoasr_5000_series_software21.2.a0.65914
cisco ciscoasr_5000_series_software21.2.a0.65995
cisco ciscoasr_5000_series_software21.3.0

References

CWEs

CWE-863

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.