CVE-2015-4049
CVE-2015-4049 is a medium-severity vulnerability in Unisys Mcp-firmware with a CVSS 3.x base score of 6.8. 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-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- CVSS v2: 5.6
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Unisys Mcp-firmware
- Published:
- Last modified:
Description
Unisys Libra 43xx, 63xx, and 83xx, and FS600 class systems with MCP-FIRMWARE 40.0 before 40.0IC4 Build 270 might allow remote authenticated users to cause a denial of service (data corruption or system crash) via vectors related to using program operators during EPSILON (level 5) based codefiles at peak memory usage, which triggers CPM stack corruption.
Frequently asked questions
- What is CVE-2015-4049?
- Unisys Libra 43xx, 63xx, and 83xx, and FS600 class systems with MCP-FIRMWARE 40.0 before 40.0IC4 Build 270 might allow remote authenticated users to cause a denial of service (data corruption or system crash) via vectors related to using program operators during EPSILON (level 5) based codefiles at peak memory usage, which triggers CPM stack corruption.
- How severe is CVE-2015-4049?
- CVE-2015-4049 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2015-4049 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-4049?
- CVE-2015-4049 affects Unisys Mcp-firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-4049?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-4049 published?
- CVE-2015-4049 was published on 2017-02-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:unisys:mcp-firmware:40.0:*:*:*:*:*:*:*
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