How severe is CVE-2012-4072?

CVE-2012-4072 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-4072 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4072?

CVE-2012-4072 affects Cisco Unified Computing System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4072?

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

When was CVE-2012-4072 published?

CVE-2012-4072 was published on 2013-09-20 and last updated on 2026-06-16.

CVE-2012-4072

CVE-2012-4072 is a medium-severity vulnerability in Cisco Unified Computing System with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Unified Computing System
Published: 2013-09-20
Last modified: 2026-06-16

Description

The KVM subsystem in Cisco Unified Computing System (UCS) relies on a hardcoded X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers, and read keyboard and mouse events, by leveraging knowledge of this certificate's private key, aka Bug ID CSCte90327.

Frequently asked questions

What is CVE-2012-4072?: The KVM subsystem in Cisco Unified Computing System (UCS) relies on a hardcoded X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers, and read keyboard and mouse events, by leveraging knowledge of this certificate's private key, aka Bug ID CSCte90327.
How severe is CVE-2012-4072?: CVE-2012-4072 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-4072 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4072?: CVE-2012-4072 affects Cisco Unified Computing System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4072?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4072 published?: CVE-2012-4072 was published on 2013-09-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:cisco:unified_computing_system:-:*:*:*:*:*:*:*

More vulnerabilities in Cisco Unified Computing System

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-2015-6435 — Critical (CVSS 9.8): An unspecified CGI script in Cisco FX-OS before 1.1.2 on Firepower 9000 devices and Cisco Unified Computing System…
CVE-2021-1368 — High (CVSS 8.8): A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software and Cisco NX-OS Software…
CVE-2019-1907 — High (CVSS 8.8): A vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote…
CVE-2019-1865 — High (CVSS 8.8): A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could…
CVE-2019-1864 — High (CVSS 8.8): A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could…

All CVEs affecting Cisco Unified Computing System →

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 →