How severe is CVE-2017-2791?

CVE-2017-2791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2791?

CVE-2017-2791 affects Justsystems Ichitaro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2791?

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-2017-2791 published?

CVE-2017-2791 was published on 2017-02-24 and last updated on 2026-06-17.

CVE-2017-2791

CVE-2017-2791 is a high-severity vulnerability in Justsystems Ichitaro 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Justsystems Ichitaro
Published: 2017-02-24
Last modified: 2026-06-17

Description

JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted PowerPoint file. Due to the application incorrectly handling the error case for a function's result, the application will use this result in a pointer calculation for reading file data into. Due to this, the application will read data from the file into an invalid address thus corrupting memory. Under the right conditions, this can lead to code execution under the context of the application.

Frequently asked questions

What is CVE-2017-2791?: JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted PowerPoint file. Due to the application incorrectly handling the error case for a function's result, the application will use this result in a pointer calculation for reading file data into. Due to this, the application will read data from the file into an invalid address thus corrupting memory. Under the right conditions, this can lead to code execution under the context of the application.
How severe is CVE-2017-2791?: CVE-2017-2791 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2791?: CVE-2017-2791 affects Justsystems Ichitaro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2791?: 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-2017-2791 published?: CVE-2017-2791 was published on 2017-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:justsystems:ichitaro:2016:*:*:*:trial:*:*:*

More vulnerabilities in Justsystems Ichitaro

CVE-2014-7247 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010;…
CVE-2013-3644 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2006 through 2013; Ichitaro Pro through 2; Ichitaro Government 6, 7,…
CVE-2013-5990 — Critical (CVSS 9.3): Unspecified vulnerability in JustSystems Ichitaro 2006 through 2011; Ichitaro Government 6, 7, and 2006 through 2010;…
CVE-2013-0707 — Critical (CVSS 9.3): Unspecified vulnerability in JustSystems Ichitaro 2006 and 2007, Ichitaro Government 2006 and 2007, Ichitaro Portable…
CVE-2012-0269 — Critical (CVSS 9.3): Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010,…
CVE-2011-1331 — Critical (CVSS 9.3): JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro…

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