How severe is CVE-2020-23332?

CVE-2020-23332 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-23332 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23332?

CVE-2020-23332 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23332?

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-2020-23332 published?

CVE-2020-23332 was published on 2021-08-17 and last updated on 2026-06-17.

CVE-2020-23332

CVE-2020-23332 is a high-severity vulnerability in Axiosys Bento4 with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Axiosys Bento4
Published: 2021-08-17
Last modified: 2026-06-17

Description

A heap-based buffer overflow exists in the AP4_StdcFileByteStream::ReadPartial component located in /StdC/Ap4StdCFileByteStream.cpp of Bento4 version 06c39d9. This issue can lead to a denial of service (DOS).

Frequently asked questions

What is CVE-2020-23332?: A heap-based buffer overflow exists in the AP4_StdcFileByteStream::ReadPartial component located in /StdC/Ap4StdCFileByteStream.cpp of Bento4 version 06c39d9. This issue can lead to a denial of service (DOS).
How severe is CVE-2020-23332?: CVE-2020-23332 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-23332 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23332?: CVE-2020-23332 affects Axiosys Bento4. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23332?: 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-2020-23332 published?: CVE-2020-23332 was published on 2021-08-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:axiosys:bento4:-:*:*:*:*:*:*:*

More vulnerabilities in Axiosys Bento4

CVE-2024-31004 — Critical (CVSS 9.8): An issue in Bento4 Bento v.1.6.0-641 allows a remote attacker to execute arbitrary code via the…
CVE-2024-31002 — Critical (CVSS 9.8): Buffer Overflow vulnerability in Bento4 Bento v.1.6.0-641 allows a remote attacker to execute arbitrary code via the…
CVE-2018-14532 — Critical (CVSS 9.8): An issue was discovered in Bento4 1.5.1-624. There is a heap-based buffer over-read in…
CVE-2018-14531 — Critical (CVSS 9.8): An issue was discovered in Bento4 1.5.1-624. There is an unspecified "heap-buffer-overflow" crash in the AP4_HvccAtom…
CVE-2018-13846 — Critical (CVSS 9.8): An issue has been found in Bento4 1.5.1-624. AP4_Mpeg2TsVideoSampleStream::WriteSample in Core/Ap4Mpeg2Ts.cpp has a…
CVE-2024-31003 — High (CVSS 8.8): Buffer Overflow vulnerability in Bento4 Bento v.1.6.0-641 allows a remote attacker to execute arbitrary code via the…

All CVEs affecting Axiosys Bento4 →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →