How severe is CVE-2013-3945?

CVE-2013-3945 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-2013-3945 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3945?

CVE-2013-3945 affects Extensis Mrsid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-3945?

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-2013-3945 published?

CVE-2013-3945 was published on 2020-01-02 and last updated on 2026-06-16.

CVE-2013-3945

CVE-2013-3945 is a high-severity vulnerability in Extensis Mrsid 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Extensis Mrsid
Published: 2020-01-02
Last modified: 2026-06-16

Description

The MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a nband tag.

Frequently asked questions

What is CVE-2013-3945?: The MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute arbitrary code via a nband tag.
How severe is CVE-2013-3945?: CVE-2013-3945 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-2013-3945 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3945?: CVE-2013-3945 affects Extensis Mrsid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-3945?: 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-2013-3945 published?: CVE-2013-3945 was published on 2020-01-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:extensis:mrsid:*:*:*:*:*:irfanview:*:*

More vulnerabilities in Extensis Mrsid

CVE-2013-3946 — High (CVSS 7.8): Heap-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to execute…
CVE-2013-3944 — High (CVSS 7.8): Stack-based buffer overflow in the MrSID plugin (MrSID.dll) before 4.37 for IrfanView allows remote attackers to…

All CVEs affecting Extensis Mrsid →

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