VDB
CVE-2020-1730
CVE-2020-1730
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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 3.14% · 87.4th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
3.14%
87.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | libssh | 0, 0.7.5-1, 0.8.0~20170825.94fa1e38-1ubuntu0.1 |
Timeline
- Apr 8, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Oct 7, 2022 CVE Updated
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