VIR Vulnerability Intelligence Relay

CVE-2017-6613

medium
Published 2017-04-20 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
5.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.8

Description

A vulnerability in the DNS input packet processor for Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to cause the DNS process to momentarily restart, which could lead to a partial denial of service (DoS) condition on the affected system. The vulnerability is due to incomplete DNS packet header validation when the packet is received by the application. An attacker could exploit this vulnerability by sending a malformed DNS packet to the application. An exploit could allow the attacker to cause the DNS process to restart, which could lead to a DoS condition. This vulnerability affects Cisco Prime Network Registrar on all software versions prior to 8.3.5. Cisco Bug IDs: CSCvb55412.

Predictions

Exploit likelihood
68%
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 ciscoprime_network_registrar8.3.0
cisco ciscoprime_network_registrar8.3.1
cisco ciscoprime_network_registrar8.3.2
cisco ciscoprime_network_registrar8.3.3
cisco ciscoprime_network_registrar8.3.4

References

CWEs

CWE-399 CWE-20

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

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