CVE-2020-23907
CVE-2020-23907 is a critical-severity vulnerability in Avast Retdec 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 v2: 7.5
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Avast Retdec
- Published:
- Last modified:
Description
An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due to a heap buffer overflow. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution.
Frequently asked questions
- What is CVE-2020-23907?
- An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due to a heap buffer overflow. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution.
- How severe is CVE-2020-23907?
- CVE-2020-23907 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-2020-23907 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23907?
- CVE-2020-23907 affects Avast Retdec. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23907?
- 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.
- When was CVE-2020-23907 published?
- CVE-2020-23907 was published on 2021-04-21 and last updated on 2026-06-17.
References
- https://github.com/avast/retdec/commit/517298bafaaff0a8e3dd60dd055a67c41b545807
- https://github.com/avast/retdec/issues/637
Affected products (1)
- cpe:2.3:a:avast:retdec:3.3:*:*:*:*:*:*:*
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