Double Free in NetApp 500f

CVE-2023-25136

OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states "remote code execution is theoretically possible."

Vulnerability class: Double Free

EPSS: 0.897 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-25136?
CVE-2023-25136 is a medium-severity vulnerability in NetApp 500f, classified under Double Free. CVSS score: 6.5/10. Published 2023-02-03.
How severe is CVE-2023-25136?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-25136 known to be exploited?
35 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.