CVE-2019-1760
Cisco IOS XE Software Performance Routing Version 3 Denial of Service Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
A vulnerability in Performance Routing Version 3 (PfRv3) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the affected device to reload. The vulnerability is due to the processing of malformed smart probe packets. An attacker could exploit this vulnerability by sending specially crafted smart probe packets at the affected device. A successful exploit could allow the attacker to reload the device, resulting in a denial of service (DoS) attack on an affected system.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.0 | Medium6.8 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |
| NVDNVD · Modified | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
- affected 3.16.4S
- affected 3.16.4aS
- affected 3.16.4bS
- affected 3.16.4gS
- affected 3.16.5S
- affected 3.16.4cS
- affected 3.16.4dS
- affected 3.16.4eS
- affected 3.16.6S
- affected 3.16.5aS
- affected 3.16.5bS
- affected 3.16.7S
- affected 3.16.6bS
- affected 3.16.7aS
- affected 3.16.7bS
- affected 3.2.0JA
- affected 16.3.2
- affected 16.3.3
- affected 16.3.4
- affected 16.3.5
- affected 16.3.5b
- affected 16.3.6
- affected 16.4.1
- affected 16.4.2
- affected 16.4.3
- affected 16.5.1
- affected 16.5.1a
- affected 16.5.1b
- affected 16.5.2
- affected 16.5.3
- affected 16.6.1
- affected 16.6.2
- affected 16.6.3
- affected 16.7.1
- affected 16.7.1a
- affected 16.7.1b
- affected 16.8.1
- affected 16.8.1a
- affected 16.8.1b
- affected 16.8.1s
- and 1 more
What to do
Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
References (2)
- 20190327 Cisco IOS XE Software Performance Routing Version 3 Denial of Service Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 107611 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1760)Record last updated .