CVE-2021-35939

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-59

Affected software

No affected versions have been published.

Timeline

Published: Aug 26, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-35943.8An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() functio CVE-2021-359407.1An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fi CVE-2021-359417.5Western Digital WD My Book Live (2.x and later) and WD My Book Live Duo (all versions) have an administrator API that can perform a system f CVE-2021-359429.1The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) wh CVE-2021-359439.8Couchbase Server 6.5.x and 6.6.x through 6.6.2 has Incorrect Access Control. Externally managed users are not prevented from using an empty CVE-2021-359447.5Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can c CVE-2021-359457.5Couchbase Server 6.5.x, 6.6.0 through 6.6.2, and 7.0.0, has a Buffer Overflow. A specially crafted network packet sent from an attacker can CVE-2021-359469.8A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore ele CVE-2021-359475.3The public share controller in the ownCloud server before version 10.8.0 allows a remote attacker to see the internal path and the username CVE-2021-359485.4Session fixation on password protected public links in the ownCloud Server before 10.8.0 allows an attacker to bypass the password protectio CVE-2021-359495.3The shareinfo controller in the ownCloud Server before 10.8.0 allows an attacker to bypass the permission checks for upload only shares and CVE-2021-35953.8An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() functi