How severe is CVE-2015-7336?

CVE-2015-7336 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 high, and availability none.

Is CVE-2015-7336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7336?

CVE-2015-7336 affects Lenovo System Update. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-7336?

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-2015-7336 published?

CVE-2015-7336 was published on 2020-03-27 and last updated on 2026-06-17.

CVE-2015-7336

CVE-2015-7336 is a high-severity vulnerability in Lenovo System Update 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Lenovo System Update
Published: 2020-03-27
Last modified: 2026-06-17

Description

MITRE is populating this ID because it was assigned prior to Lenovo becoming a CNA. A vulnerability was reported (fixed and publicly disclosed in 2015) in Lenovo System Update version 5.07.0008 and prior that could allow the signature check of an update to be bypassed.

Frequently asked questions

What is CVE-2015-7336?: MITRE is populating this ID because it was assigned prior to Lenovo becoming a CNA. A vulnerability was reported (fixed and publicly disclosed in 2015) in Lenovo System Update version 5.07.0008 and prior that could allow the signature check of an update to be bypassed.
How severe is CVE-2015-7336?: CVE-2015-7336 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 high, and availability none.
Is CVE-2015-7336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7336?: CVE-2015-7336 affects Lenovo System Update. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-7336?: 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-2015-7336 published?: CVE-2015-7336 was published on 2020-03-27 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/lsu_privilege

Affected products (1)

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

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