How severe is CVE-2017-10870?

CVE-2017-10870 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-10870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10870?

CVE-2017-10870 primarily affects Justsystems Easy Postcard 2016. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-10870?

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-2017-10870 published?

CVE-2017-10870 was published on 2017-11-02 and last updated on 2026-06-17.

CVE-2017-10870

CVE-2017-10870 is a high-severity vulnerability in Justsystems Easy Postcard 2016 with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Justsystems Easy Postcard 2016
Published: 2017-11-02
Last modified: 2026-06-17

Description

Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Government 8, Ichitaro Government 7, Ichitaro Government 6 and Ichitaro 2017 Trial version) allows attackers to execute arbitrary code with privileges of the application via specially crafted file.

Frequently asked questions

What is CVE-2017-10870?: Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Government 8, Ichitaro Government 7, Ichitaro Government 6 and Ichitaro 2017 Trial version) allows attackers to execute arbitrary code with privileges of the application via specially crafted file.
How severe is CVE-2017-10870?: CVE-2017-10870 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-10870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10870?: CVE-2017-10870 primarily affects Justsystems Easy Postcard 2016. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-10870?: 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-2017-10870 published?: CVE-2017-10870 was published on 2017-11-02 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:justsystems:easy_postcard_2016:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:easy_postcard_2017:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:easy_postcard_2018:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_2016:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_2017:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_2017_trial_version:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_2018:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_government_6:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_government_7:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_government_8:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_pro:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_pro_2:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_pro_2011:-:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:ichitaro_pro_3:-:*:*:*:*:*:*:*

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