CVE-2019-3862

moderate-risk
Published 2019-03-21

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

Do I need to act?

~
6.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.3/10 High
NETWORK / LOW complexity

References (36)

47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 9/34 · Low
Exposure 12/34 · Low