7.1

CVE-2020-15113: etcd-io etcd Improper Preservation of Permissions

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2020-15113DEBIAN-CVE-2020-15113CGA-3q3v-fj47-8cvm
Published 05-08-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-15113 is a high (CVSS 7.1) Improper Preservation of Permissions vulnerability in etcd-io etcd. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.5% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
RHSA-2021:0916USN-5628-1USN-5628-2CGA-RM48-C4RX-Q7XP

Timeline

  1. 05-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the directory path when provided to automatically generate self-signed certificates for TLS connections with clients) with restricted access permissions (700) by using the os.MkdirAll. This function does not perform any permission checks when a given directory path exists already. A possible workaround is to ensure the directories have the desired permission (700).

CVSS metrics

8 scores · 7 sources · 2 versions

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

-0.01 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard5 products
  • py3-etcdAll versions (No fix recorded)
  • py3.10-etcdAll versions (No fix recorded)
  • py3.11-etcdAll versions (No fix recorded)
  • py3.12-etcdAll versions (No fix recorded)
  • py3.13-etcdAll versions (No fix recorded)
Wolfi5 products
  • py3-etcdAll versions (No fix recorded)
  • py3.10-etcdAll versions (No fix recorded)
  • py3.11-etcdAll versions (No fix recorded)
  • py3.12-etcdAll versions (No fix recorded)
  • py3.13-etcdAll versions (No fix recorded)
Debian1 product
  • etcd< 3.3.25+dfsg-5
Etcd1 product
  • etcd< 3.3.23 | ≥ 3.4.0, < 3.4.10
Etcd-io1 product
  • etcd< 3.3.23 | < 3.4.10
Fedoraproject1 product
Github.com/etcd-io1 product
  • etcd≥ 3.4.0-rc.0, < 3.4.10 | < 3.3.23
Ubuntu1 product
  • etcdAll versions (No fix recorded) | < 3.2.17+dfsg-1ubuntu0.1~esm1 | < 3.2.26+dfsg-6ubuntu0.1

8 vendors · 16 products

References

11 links
Show all 11 references