How severe is CVE-2021-33798?

CVE-2021-33798 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-33798 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33798?

CVE-2021-33798 affects Libpano13 Project Libpano13. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33798?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33798 published?

CVE-2021-33798 was published on 2023-07-07 and last updated on 2026-06-17.

CVE-2021-33798

CVE-2021-33798 is a medium-severity vulnerability in Libpano13 Project Libpano13 with a CVSS 3.x base score of 4.7. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Libpano13 Project Libpano13
Published: 2023-07-07
Last modified: 2026-06-17

Description

A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.

Frequently asked questions

What is CVE-2021-33798?: A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
How severe is CVE-2021-33798?: CVE-2021-33798 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-33798 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33798?: CVE-2021-33798 affects Libpano13 Project Libpano13. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33798 published?: CVE-2021-33798 was published on 2023-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libpano13_project:libpano13:2.9.20:*:*:*:*:*:*:*

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