How severe is CVE-2016-6374?

CVE-2016-6374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6374?

CVE-2016-6374 affects Cisco Cloud Services Platform 2100. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6374?

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

When was CVE-2016-6374 published?

CVE-2016-6374 was published on 2016-09-22 and last updated on 2026-06-17.

CVE-2016-6374

CVE-2016-6374 is a critical-severity vulnerability in Cisco Cloud Services Platform 2100 with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Cloud Services Platform 2100
Published: 2016-09-22
Last modified: 2026-06-17

Description

Cisco Cloud Services Platform (CSP) 2100 2.0 allows remote attackers to execute arbitrary code via a crafted dnslookup command in an HTTP request, aka Bug ID CSCuz89093.

Frequently asked questions

What is CVE-2016-6374?: Cisco Cloud Services Platform (CSP) 2100 2.0 allows remote attackers to execute arbitrary code via a crafted dnslookup command in an HTTP request, aka Bug ID CSCuz89093.
How severe is CVE-2016-6374?: CVE-2016-6374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6374?: CVE-2016-6374 affects Cisco Cloud Services Platform 2100. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-6374 published?: CVE-2016-6374 was published on 2016-09-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:cloud_services_platform_2100:2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Cisco Cloud Services Platform 2100

CVE-2017-12251 — Critical (CVSS 9.9): A vulnerability in the web console of the Cisco Cloud Services Platform (CSP) 2100 could allow an authenticated, remote…
CVE-2018-0394 — High (CVSS 8.8): A vulnerability in the web upload function of Cisco Cloud Services Platform 2100 could allow an authenticated, remote…
CVE-2016-6373 — High (CVSS 7.2): The web-based GUI in Cisco Cloud Services Platform (CSP) 2100 2.0 allows remote authenticated administrators to execute…

All CVEs affecting Cisco Cloud Services Platform 2100 →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →