Description
In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character.
References (5)
Core 5
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/asyncftpclient.nim#L145
Patch, Third Party Advisory x_refsource_confirm
https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6
Exploit, Third Party Advisory x_refsource_misc
https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/
Exploit, Third Party Advisory x_refsource_misc
https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/02/04/3
Scores
CVSS v3
9.8
EPSS
0.0252
EPSS Percentile
85.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-74
Status
published
Products (1)
nim-lang/nim
< 1.2.6
Published
Jan 30, 2021
Tracked Since
Feb 18, 2026