CVE-2020-15690

moderate-risk
Published 2021-01-30

In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character.

Do I need to act?

~
2.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: bf320ed172f74f60fd274338e82bdc9ce3520dd9
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Nim

Affected Vendors

Nim-Lang

References (10)

Exploit http://www.openwall.com/lists/oss-security/2021/02/04/3
Exploit https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/
Exploit https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/li...
Patch https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6
Exploit https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690
Exploit http://www.openwall.com/lists/oss-security/2021/02/04/3
Exploit https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/
Exploit https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/li...
Patch https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6
Exploit https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal