CVE-2021-45848

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 56.5%
KEV: Not listed

Published

March 15, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/nicotine-plus/nicotine-plus/issues/1777
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6/
cve@mitrehttps://security.gentoo.org/glsa/202210-20
af854a3a-2127-422b-91ae-364da2661108https://github.com/nicotine-plus/nicotine-plus/issues/1777
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202210-20

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
nicotine-plus	3.0.3 ... 3.2.0 (7 versions)	3.2.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-116Improper Encoding or Escaping of Output

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 01:35 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-45848?

CVE-2021-45848 is a high vulnerability published on March 15, 2022. 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.

When was CVE-2021-45848 disclosed?

CVE-2021-45848 was first published in the National Vulnerability Database on March 15, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-45848 actively exploited?

CVE-2021-45848 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45848?

CVE-2021-45848 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-45848?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45848, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-45848

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