9.3

CVE-2017-18641: linuxcontainers lxc Improper Authentication

CVSS: 9.3v2.0HighModified
AliasesUBUNTU-CVE-2017-18641DEBIAN-CVE-2017-18641
Published 10-02-2020Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-18641 is a high (CVSS 9.3) Improper Authentication vulnerability in linuxcontainers lxc. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.52%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-02-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.52%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.17 pp

From 1.35% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.52%

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

Debian2 products
  • lxc< 1:3.0.3-1
  • lxc-templatesAll versions (No fix recorded)
Ubuntu2 products
  • lxcAll versions (No fix recorded)
  • lxc-templatesAll versions (No fix recorded)
Linuxcontainers1 product

3 vendors · 5 products

References

6 links