High severity · published May 17, 2021
CVE-2020-21833
A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_classes ../../src/decode.c:2440
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_classes ../../src/decode.c:2440.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libredwg · Gnu
0.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-21833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-21833
Exploit
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493364
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