How severe is CVE-2017-12343?

CVE-2017-12343 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-12343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12343?

CVE-2017-12343 affects Cisco Data Center Network Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12343?

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-2017-12343 published?

CVE-2017-12343 was published on 2017-11-30 and last updated on 2026-06-17.

CVE-2017-12343

CVE-2017-12343 is a high-severity vulnerability in Cisco Data Center Network Manager with a CVSS 3.x base score of 8.8. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Data Center Network Manager
Published: 2017-11-30
Last modified: 2026-06-17

Description

Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) Software could allow a remote attacker to inject arbitrary values into DCNM configuration parameters, redirect a user to a malicious website, inject malicious content into a DCNM client interface, or conduct a cross-site scripting (XSS) attack against a user of the affected software. Cisco Bug IDs: CSCvf40477, CSCvf63150, CSCvf68218, CSCvf68235, CSCvf68247.

Frequently asked questions

What is CVE-2017-12343?: Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) Software could allow a remote attacker to inject arbitrary values into DCNM configuration parameters, redirect a user to a malicious website, inject malicious content into a DCNM client interface, or conduct a cross-site scripting (XSS) attack against a user of the affected software. Cisco Bug IDs: CSCvf40477, CSCvf63150, CSCvf68218, CSCvf68235, CSCvf68247.
How severe is CVE-2017-12343?: CVE-2017-12343 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-12343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12343?: CVE-2017-12343 affects Cisco Data Center Network Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12343?: 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-2017-12343 published?: CVE-2017-12343 was published on 2017-11-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:data_center_network_manager:10.3\(1\)s3:*:*:*:*:*:*:*

More vulnerabilities in Cisco Data Center Network Manager

CVE-2021-44228 — Critical (CVSS 10.0): Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in…
CVE-2020-3382 — Critical (CVSS 9.8): A vulnerability in the REST API of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote…
CVE-2019-15976 — Critical (CVSS 9.8): Multiple vulnerabilities in the authentication mechanisms of Cisco Data Center Network Manager (DCNM) could allow an…
CVE-2019-15975 — Critical (CVSS 9.8): Multiple vulnerabilities in the authentication mechanisms of Cisco Data Center Network Manager (DCNM) could allow an…
CVE-2019-1620 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an…
CVE-2019-1619 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an…

All CVEs affecting Cisco Data Center Network Manager →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →