How severe is CVE-2019-19480?

CVE-2019-19480 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-19480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19480?

CVE-2019-19480 primarily affects Opensc Project Opensc. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19480?

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

When was CVE-2019-19480 published?

CVE-2019-19480 was published on 2019-12-01 and last updated on 2026-06-17.

CVE-2019-19480

CVE-2019-19480 is a medium-severity vulnerability in Opensc Project Opensc with a CVSS 3.x base score of 4.6. 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-672.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-672
Affected product: Opensc Project Opensc
Published: 2019-12-01
Last modified: 2026-06-17

Description

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.

Frequently asked questions

What is CVE-2019-19480?: An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.
How severe is CVE-2019-19480?: CVE-2019-19480 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-19480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19480?: CVE-2019-19480 primarily affects Opensc Project Opensc. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19480?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19480 published?: CVE-2019-19480 was published on 2019-12-01 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.20.0:rc1:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.20.0:rc2:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.20.0:rc3:*:*:*:*:*:*

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