CVE-2020-7040

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.6% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-01-21 20:03Z6 YR AGO

Last updated

2024-08-04 09:18Z2 YR AGO

Reserved

2020-01-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base

Data version

5.1

Document digest

7b97a4de22eb8b622cde737eb126df85c68b78eea8994e92b1e400756492cef4

• bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-7040x_refsource_MISC
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2020/01/20/3x_refsource_MISC
• seclists.org[oss-security] CVE-2020-7040: storeBackup: denial of service and symlink attack vector via fixed lockfile path /tmp/storeBackup.lockhttps://seclists.org/oss-sec/2020/q1/20mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200121 Re: CVE-2020-7040: storeBackup: denial of service and symlink attack vector via fixed lockfile path /tmp/storeBackup.lockhttp://www.openwall.com/lists/oss-security/2020/01/21/2mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200122 Re: CVE-2020-7040: storeBackup: denial of service and symlink attack vector via fixed lockfile path /tmp/storeBackup.lockhttp://www.openwall.com/lists/oss-security/2020/01/22/2mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200122 Re: CVE-2020-7040: storeBackup: denial of service and symlink attack vector via fixed lockfile path /tmp/storeBackup.lockhttp://www.openwall.com/lists/oss-security/2020/01/22/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200123 Re: CVE-2020-7040: storeBackup: denial of service and symlink attack vector via fixed lockfile path /tmp/storeBackup.lockhttp://www.openwall.com/lists/oss-security/2020/01/23/1mailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2020:0119http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00054.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20200205 [SECURITY] [DLA 2095-1] storebackup security updatehttps://lists.debian.org/debian-lts-announce/2020/02/msg00003.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4508-1https://usn.ubuntu.com/4508-1/vendor-advisoryx_refsource_UBUNTU