CVE-2017-20225
CVE-2017-20225 is a critical-severity vulnerability in Ticalc Tiemu with a CVSS 3.x base score of 9.8. 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 9.3
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2017-18943
- Weakness: CWE-787
- Affected product: Ticalc Tiemu
- Published:
- Last modified:
Description
TiEmu 2.08 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can trigger the overflow through command-line arguments passed to the application, leveraging ROP gadgets to bypass protections and execute shellcode in the application context.
Frequently asked questions
- What is CVE-2017-20225?
- TiEmu 2.08 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can trigger the overflow through command-line arguments passed to the application, leveraging ROP gadgets to bypass protections and execute shellcode in the application context.
- How severe is CVE-2017-20225?
- CVE-2017-20225 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-20225 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-20225?
- CVE-2017-20225 affects Ticalc Tiemu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-20225?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2017-20225 have an EU (EUVD) identifier?
- Yes. CVE-2017-20225 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18943.
- When was CVE-2017-20225 published?
- CVE-2017-20225 was published on 2026-03-28 and last updated on 2026-06-17.
References
- http://lpg.ticalc.org/prj_tiemu/
- https://www.exploit-db.com/exploits/42087
- https://www.vulncheck.com/advisories/tiemu-stack-based-buffer-overflow-vulnerability
Affected products (1)
- cpe:2.3:a:ticalc:tiemu:*:*:*:*:*:*:*:*
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