How severe is CVE-2016-9216?

CVE-2016-9216 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2016-9216 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9216?

CVE-2016-9216 primarily affects Cisco Asr 5000 Series Software. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9216?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9216 published?

CVE-2016-9216 was published on 2017-01-26 and last updated on 2026-06-17.

CVE-2016-9216

CVE-2016-9216 is a medium-severity vulnerability in Cisco Asr 5000 Series Software with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Asr 5000 Series Software
Published: 2017-01-26
Last modified: 2026-06-17

Description

An IKE Packet Parsing Denial of Service Vulnerability in the ipsecmgr process of Cisco ASR 5000 Software could allow an unauthenticated, remote attacker to cause the ipsecmgr process to reload. More Information: CSCuy06917 CSCuy45036 CSCuy59525. Known Affected Releases: 20.0.0 20.0.M0.62842 20.0.v0 20.0.M0.63229 20.1.0 20.1.a0 20.1.v0 21.0.0 21.0.v0. Known Fixed Releases: 20.0.0 20.0.0.63250 20.0.M0.63148 20.0.R0.63294 20.0.R0.63316 20.0.V0.63170 20.0.VG0.63188 20.0.v0 20.0.v0.64175 20.0.vg0.63522 20.1.A0.63166 20.2.A0.63174 20.1.A0.63232 20.2.A0.63237 20.0.M0.63226 20.0.M0.63229 20.0.R0.63294 20.0.R0.63316 20.0.V0.63263 20.0.VG0.63233 20.0.v0 20.0.v0.64175 20.0.vg0.63522 20.1.0 20.1.0.63959 20.1.M0.63876 20.1.T0.63886 20.1.V0.64231 20.1.VA0.64194 20.1.VB0.64210 20.1.a0 20.1.a0.64023 20.1.v0 20.1.v0.64607 20.2.A0.63895 21.0.0 21.0.0.65256 21.0.M0.63881 21.0.M0.64281 21.0.PP0.64366 21.0.V0.65052 21.0.v0 21.0.v0.65831 21.0.vb0.65887 21.1.R0.65130 21.1.R0.65135.

Frequently asked questions

What is CVE-2016-9216?: An IKE Packet Parsing Denial of Service Vulnerability in the ipsecmgr process of Cisco ASR 5000 Software could allow an unauthenticated, remote attacker to cause the ipsecmgr process to reload. More Information: CSCuy06917 CSCuy45036 CSCuy59525. Known Affected Releases: 20.0.0 20.0.M0.62842 20.0.v0 20.0.M0.63229 20.1.0 20.1.a0 20.1.v0 21.0.0 21.0.v0. Known Fixed Releases: 20.0.0 20.0.0.63250 20.0.M0.63148 20.0.R0.63294 20.0.R0.63316 20.0.V0.63170 20.0.VG0.63188 20.0.v0 20.0.v0.64175 20.0.vg0.63522 20.1.A0.63166 20.2.A0.63174 20.1.A0.63232 20.2.A0.63237 20.0.M0.63226 20.0.M0.63229 20.0.R0.63294 20.0.R0.63316 20.0.V0.63263 20.0.VG0.63233 20.0.v0 20.0.v0.64175 20.0.vg0.63522 20.1.0 20.1.0.63959 20.1.M0.63876 20.1.T0.63886 20.1.V0.64231 20.1.VA0.64194 20.1.VB0.64210 20.1.a0 20.1.a0.64023 20.1.v0 20.1.v0.64607 20.2.A0.63895 21.0.0 21.0.0.65256 21.0.M0.63881 21.0.M0.64281 21.0.PP0.64366 21.0.V0.65052 21.0.v0 21.0.v0.65831 21.0.vb0.65887 21.1.R0.65130 21.1.R0.65135.
How severe is CVE-2016-9216?: CVE-2016-9216 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2016-9216 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9216?: CVE-2016-9216 primarily affects Cisco Asr 5000 Series Software. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9216?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9216 published?: CVE-2016-9216 was published on 2017-01-26 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:cisco:asr_5000_series_software:20.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.1.a0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.1.v0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.m0.62842:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.m0.63229:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.v0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:21.0.0:*:*:*:*:*:*:*

More vulnerabilities in Cisco Asr 5000 Series Software

CVE-2017-3819 — High (CVSS 8.8): A privilege escalation vulnerability in the Secure Shell (SSH) subsystem in the StarOS operating system for Cisco ASR…
CVE-2017-6612 — High (CVSS 8.6): A vulnerability in the gateway GPRS support node (GGSN) of Cisco ASR 5000 Series Aggregation Services Routers…
CVE-2017-6672 — High (CVSS 7.5): A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation…
CVE-2016-9203 — High (CVSS 7.5): A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco ASR 5000 Series Software could allow an…
CVE-2016-6467 — High (CVSS 7.5): A vulnerability in IPv6 packet fragment reassembly of StarOS for Cisco Aggregation Services Router (ASR) 5000 Series…
CVE-2016-6466 — High (CVSS 7.5): A vulnerability in the IPsec component of StarOS for Cisco ASR 5000 Series routers could allow an unauthenticated,…

All CVEs affecting Cisco Asr 5000 Series Software →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →