Improper input validation in Openbsd Openssh

CVE-2020-12062

The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download dire…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.023 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-12062?
CVE-2020-12062 is a high-severity vulnerability in Openbsd Openssh, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-06-01.
How severe is CVE-2020-12062?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-12062 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.