Is CVE-2023-33981 in the CISA KEV catalog?

No. CVE-2023-33981 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-33981?

CVE-2023-33981 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-33981?

CVE-2023-33981 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-33981?

Upgrade briar to 1.4.22 or later.

CVE & CISA-KEV Catalog

CVE-2023-33981

MEDIUM

6.5

CVSS v3

NVD

Description

Briar before 1.4.22 allows attackers to spoof other users' messages in a blog, forum, or private group, but each spoofed message would need to be an exact duplicate of a legitimate message displayed alongside the spoofed one.

CWE-354

How to fix

Remediation Available

briarNVD

Affected:< 1.4.22Fixed in:1.4.22CVE-2023-33981derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Exploit1

ethz.ch

Vendor Advisory1

briarproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-16.