How severe is CVE-2015-2233?

CVE-2015-2233 has a CVSS 2.0 base score of 8.3, rated high severity.

Is CVE-2015-2233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2233?

CVE-2015-2233 affects Lenovo System Update. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-2233?

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-2015-2233 published?

CVE-2015-2233 was published on 2015-05-12 and last updated on 2026-06-17.

CVE-2015-2233

CVE-2015-2233 is a high-severity vulnerability in Lenovo System Update with a CVSS 2.0 base score of 8.3. 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-310.

Key facts

Severity: High (CVSS 2.0 base score 8.3)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Lenovo System Update
Published: 2015-05-12
Last modified: 2026-06-17

Description

Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.

Frequently asked questions

What is CVE-2015-2233?: Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not properly validate CA chains during signature validation, which allows man-in-the-middle attackers to upload and execute arbitrary files via a crafted certificate.
How severe is CVE-2015-2233?: CVE-2015-2233 has a CVSS 2.0 base score of 8.3, rated high severity.
Is CVE-2015-2233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2233?: CVE-2015-2233 affects Lenovo System Update. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-2233?: 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-2015-2233 published?: CVE-2015-2233 was published on 2015-05-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lenovo:system_update:*:*:*:*:*:*:*:*

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