How severe is CVE-2023-50980?

CVE-2023-50980 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-2023-50980 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50980?

CVE-2023-50980 affects Cryptopp Crypto++. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50980?

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-2023-50980 published?

CVE-2023-50980 was published on 2023-12-18 and last updated on 2026-06-17.

CVE-2023-50980

CVE-2023-50980 is a high-severity vulnerability in Cryptopp Crypto++ 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cryptopp Crypto++
Published: 2023-12-18
Last modified: 2026-06-17

Description

gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) via DER public-key data for an F(2^m) curve, if the degree of each term in the polynomial is not strictly decreasing.

Frequently asked questions

What is CVE-2023-50980?: gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (application crash) via DER public-key data for an F(2^m) curve, if the degree of each term in the polynomial is not strictly decreasing.
How severe is CVE-2023-50980?: CVE-2023-50980 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-2023-50980 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50980?: CVE-2023-50980 affects Cryptopp Crypto++. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50980?: 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-2023-50980 published?: CVE-2023-50980 was published on 2023-12-18 and last updated on 2026-06-17.

References

https://github.com/weidai11/cryptopp/issues/1248

Affected products (1)

cpe:2.3:a:cryptopp:crypto\+\+:*:*:*:*:*:*:*:*

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