CVE-2021-45848

CVE-2021-45848 is a high-severity vulnerability in Nicotine-plus Nicotine+ 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-116.

Key facts

Description

Denial of service (DoS) vulnerability in Nicotine+ 3.0.3 and later allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character.

Frequently asked questions

What is CVE-2021-45848?
Denial of service (DoS) vulnerability in Nicotine+ 3.0.3 and later allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character.
How severe is CVE-2021-45848?
CVE-2021-45848 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-2021-45848 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45848?
CVE-2021-45848 primarily affects Nicotine-plus Nicotine+. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45848?
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-2021-45848 published?
CVE-2021-45848 was published on 2022-03-15 and last updated on 2026-06-17.

References

Affected products (2)

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