CVE-2020-13546
CVE-2020-13546 is a high-severity vulnerability in Softmaker Office Textmaker 2021 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-131.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-131
- Affected product: Softmaker Office Textmaker 2021
- Published:
- Last modified:
Description
In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), a specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.
Frequently asked questions
- What is CVE-2020-13546?
- In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), a specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.
- How severe is CVE-2020-13546?
- CVE-2020-13546 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-2020-13546 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13546?
- CVE-2020-13546 affects Softmaker Office Textmaker 2021. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-13546?
- 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-2020-13546 published?
- CVE-2020-13546 was published on 2021-02-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:softmaker:office_textmaker_2021:1014:*:*:*:*:*:*:*
Other CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities
- CVE-2026-52955 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in…
- CVE-2026-41676 — Critical (CVSS 9.8): rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78,…
- CVE-2026-1949 — Critical (CVSS 9.8): Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of…
- CVE-2026-20911 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and…
- CVE-2025-1861 — Critical (CVSS 9.8): In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when…
- CVE-2023-5941 — Critical (CVSS 9.8): In versions of FreeBSD 12.4-RELEASE prior to 12.4-RELEASE-p7 and FreeBSD 13.2-RELEASE prior to 13.2-RELEASE-p5 the…
Browse all CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities →