CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
83.2%
A code execution vulnerability exists in the dxfRW::processLType()
functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A
specially-crafted .dxf file can lead to a use-after-free vulnerability. An
attacker can provide a malicious file to trigger this vulnerability.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | librecad | < 2.1.2-1ubuntu0.1 | UNKNOWN |
ubuntu | 20.04 | noarch | librecad | < 2.1.3-1.2+deb10u1build0.20.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | librecad | < 2.1.3-2 | UNKNOWN |
ubuntu | 22.10 | noarch | librecad | < 2.1.3-2 | UNKNOWN |
ubuntu | 24.04 | noarch | librecad | < any | UNKNOWN |
ubuntu | 16.04 | noarch | librecad | < 2.0.9-2ubuntu0.1~esm1 | UNKNOWN |
github.com/LibreCAD/libdxfrw/commit/fcd977cc7f8f6cc7f012e5b72d33cf7d77b3fa69
launchpad.net/bugs/cve/CVE-2021-21900
nvd.nist.gov/vuln/detail/CVE-2021-21900
security-tracker.debian.org/tracker/CVE-2021-21900
talosintelligence.com/vulnerability_reports/TALOS-2021-1351
ubuntu.com/security/notices/USN-5957-1
www.cve.org/CVERecord?id=CVE-2021-21900
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
83.2%