Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-12062

CVE-2020-12062HIGH

n/a n/a — The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malic…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  H  N    7.5   .0223   82.5     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Apr 22  Reserved by mitre
  Jun 1   Published (CNA: mitre)
  Oct 14  ENRICHED — CVE-2020-12062. Received CVSS 7.5 and CPE data from NVD.

CWE-20 · CNA: mitre · CVSS v3.1 · 5 references · NVD status: Modified

Description

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 directory by creating a crafted subdirectory anywhere on the remote server. The victim must use the command scp -rp to download a file hierarchy containing, anywhere inside, this crafted subdirectory. NOTE: the vendor points out that "this attack can achieve no more than a hostile peer is already able to achieve within the scp protocol" and "utimes does not fail under normal circumstances.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 22, 2020	Reserved	Reserved by mitre
June 1, 2020	Published	Published (CNA: mitre)
October 14, 2026	ENRICHED	ENRICHED — CVE-2020-12062. Received CVSS 7.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-20

References (5)

https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://github.com/openssh/openssh-portable/commit/955854cafca88e0cdcd3d09ca1ad4ada465364a1 [Patch, Third Party Advisory]
https://github.com/openssh/openssh-portable/commit/aad87b88fc2536b1ea023213729aaf4eaabe1894 [Third Party Advisory]
https://www.openssh.com/txt/release-8.3 [Release Notes, Vendor Advisory]
https://www.openwall.com/lists/oss-security/2020/05/27/1 [Mailing List, Release Notes, Third Party Advisory]

Authoritative record: CVE-2020-12062 at cve.org

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-12062 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.