How severe is CVE-2022-45115?

CVE-2022-45115 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-2022-45115 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45115?

CVE-2022-45115 affects Justsystems Ichitaro 2022. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45115?

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-2022-45115 published?

CVE-2022-45115 was published on 2023-04-05 and last updated on 2026-06-17.

CVE-2022-45115

CVE-2022-45115 is a high-severity vulnerability in Justsystems Ichitaro 2022 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-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Justsystems Ichitaro 2022
Published: 2023-04-05
Last modified: 2026-06-17

Description

A buffer overflow vulnerability exists in the Attribute Arena functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-45115?: A buffer overflow vulnerability exists in the Attribute Arena functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
How severe is CVE-2022-45115?: CVE-2022-45115 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-2022-45115 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45115?: CVE-2022-45115 affects Justsystems Ichitaro 2022. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45115?: 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-2022-45115 published?: CVE-2022-45115 was published on 2023-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:justsystems:ichitaro_2022:1.0.1.57600:*:*:*:*:*:*:*

More vulnerabilities in Justsystems Ichitaro 2022

CVE-2023-38128 — High (CVSS 7.8): An out-of-bounds write vulnerability exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A…
CVE-2023-38127 — High (CVSS 7.8): An integer overflow exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted…
CVE-2023-34366 — High (CVSS 7.8): A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372. A…
CVE-2023-35126 — High (CVSS 7.8): An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and…
CVE-2022-43664 — High (CVSS 7.8): A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes…
CVE-2023-22660 — High (CVSS 7.0): A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain…

All CVEs affecting Justsystems Ichitaro 2022 →

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities

CVE-2026-46752 — Critical (CVSS 10.0): Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from…
CVE-2026-24822 — Critical (CVSS 10.0): Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is…
CVE-2025-23123 — Critical (CVSS 10.0): A malicious actor with access to the management network could execute a remote code execution (RCE) by exploiting a…
CVE-2022-34819 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions <…
CVE-2026-44050 — Critical (CVSS 9.9): A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote…
CVE-2026-49841 — Critical (CVSS 9.8): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…

Browse all CWE-122 (Heap-based Buffer Overflow) vulnerabilities →