How severe is CVE-2017-12974?

CVE-2017-12974 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 high, integrity none, and availability none.

Is CVE-2017-12974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12974?

CVE-2017-12974 primarily affects Connect2id Nimbus Jose+jwt. In total, 123 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-12974?

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-2017-12974 published?

CVE-2017-12974 was published on 2017-08-20 and last updated on 2026-06-17.

CVE-2017-12974

CVE-2017-12974 is a high-severity vulnerability in Connect2id Nimbus Jose+jwt 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Connect2id Nimbus Jose+jwt
Published: 2017-08-20
Last modified: 2026-06-17

Description

Nimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve, which allows attackers to conduct an Invalid Curve Attack in environments where the JCE provider lacks the applicable curve validation.

Frequently asked questions

What is CVE-2017-12974?: Nimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve, which allows attackers to conduct an Invalid Curve Attack in environments where the JCE provider lacks the applicable curve validation.
How severe is CVE-2017-12974?: CVE-2017-12974 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 high, integrity none, and availability none.
Is CVE-2017-12974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12974?: CVE-2017-12974 primarily affects Connect2id Nimbus Jose+jwt. In total, 123 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-12974?: 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-2017-12974 published?: CVE-2017-12974 was published on 2017-08-20 and last updated on 2026-06-17.

References

Affected products (123)

cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.0:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.2:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.3:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.4:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.5:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.6:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.7:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.8:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.9:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.10:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.11:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.12:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.0:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.2:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.3:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.4:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.5:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.6:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.7:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.8:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.9:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.10:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.10.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.11.0:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.12.0:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.13.0:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.13.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.14:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.15:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.15.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.15.2:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.16:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.17:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.17.1:*:*:*:*:*:*:*
cpe:2.3:a:connect2id:nimbus_jose\+jwt:2.17.2:*:*:*:*:*:*:*

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