Is CVE-2021-41055 in the CISA KEV catalog?

No. CVE-2021-41055 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41055?

CVE-2021-41055 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-41055?

CVE-2021-41055 has an EPSS score of 1.52% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41055?

Upgrade python-nbxmpp on debian 11 to 2.0.2-1+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2021-41055

HIGHEPSS 71th pctl

7.5

CVSS v3

NVD

Description

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.

How to fix

Remediation Available

python-nbxmppDebian

Fixed in:2.0.2-1+deb11u1CVE-2021-41055

Fixed in:2.0.4-1CVE-2021-41055

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.52%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Exploit1

dev.gajim.org

Vendor Advisory1

dev.gajim.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 2024-11-21.