CVE-2019-12634
CVE-2019-12634 is a high-severity vulnerability in Cisco Integrated Management Controller Supervisor 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-306.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-306
- Affected product: Cisco Integrated Management Controller Supervisor
- Published:
- Last modified:
Description
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a missing authentication check in an API call. An attacker who can send a request to an affected system could cause all currently authenticated users to be logged off. Repeated exploitation could cause the inability to maintain a session in the web-based management portal.
Frequently asked questions
- What is CVE-2019-12634?
- A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a missing authentication check in an API call. An attacker who can send a request to an affected system could cause all currently authenticated users to be logged off. Repeated exploitation could cause the inability to maintain a session in the web-based management portal.
- How severe is CVE-2019-12634?
- CVE-2019-12634 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-2019-12634 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-12634?
- CVE-2019-12634 primarily affects Cisco Integrated Management Controller Supervisor. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-12634?
- 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-2019-12634 published?
- CVE-2019-12634 was published on 2019-08-21 and last updated on 2026-06-17.
References
Affected products (7)
- cpe:2.3:a:cisco:integrated_management_controller_supervisor:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director:6.6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director:6.6.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director_express_for_big_data:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director_express_for_big_data:3.6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:ucs_director_express_for_big_data:3.6.1.0:*:*:*:*:*:*:*
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