CVE-2020-1730 — Vulnetix

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CVE-2020-1730 PUBLISHED

A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.

EPSS 0.08% · 22.6th percentile

Risk Scores

EPSS Score

0.08%

22.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	libssh	0, 0.7.5-1, 0.8.0~20170825.94fa1e38-1

Timeline

Apr 8, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-1730 third-party-advisory
https://www.libssh.org/security/advisories/CVE-2020-1730.txt third-party-advisory
https://ubuntu.com/security/notices/USN-4327-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2020-1730 third-party-advisory

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