How severe is CVE-2016-1350?

CVE-2016-1350 has a CVSS 3.x base score of 7.5, rated high 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 high.

Is CVE-2016-1350 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1350?

CVE-2016-1350 primarily affects Cisco Ios Xe. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1350?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1350 published?

CVE-2016-1350 was published on 2016-03-26 and last updated on 2026-06-17.

CVE-2016-1350

CVE-2016-1350 is a high-severity vulnerability in Cisco Ios Xe with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Ios Xe
Published: 2016-03-26
Last modified: 2026-06-17

Description

Cisco IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCuj23293.

Frequently asked questions

What is CVE-2016-1350?: Cisco IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCuj23293.
How severe is CVE-2016-1350?: CVE-2016-1350 has a CVSS 3.x base score of 7.5, rated high 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 high.
Is CVE-2016-1350 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1350?: CVE-2016-1350 primarily affects Cisco Ios Xe. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1350?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1350 published?: CVE-2016-1350 was published on 2016-03-26 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:o:cisco:ios_xe:3.8.0s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.8.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.8.2s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.9.0as:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.9.0s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.9.1as:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.9.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.9.2s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10.0s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10.1xbs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10.2s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.11.0s:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_e75s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:samsung:x14j_firmware:t-ms14jakucb-1102.5:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_124:*:sparc:*:*:*:*:*
cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zzinc:keymouse_firmware:3.08:*:*:*:*:windows:*:*

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