SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-4478

OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending…

CRITICAL 9.8EPSS 4.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol, a related issue to CVE-2010-4252.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.24% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
openbsd/openssh
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.