8.1

CVE-2017-14032: arm mbed_tls Improper Authentication

CVSS: 8.1v3.0HighModified
AliasesALPINE-CVE-2017-14032MGASA-2018-0038openSUSE-SU-2017:2731-1
Published 30-08-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-14032 is a high (CVSS 8.1) Improper Authentication vulnerability in arm mbed_tls. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 73.9% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.0 (NVD)
EPSS score
1.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 30-08-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.50%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.50%

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

Mageia2 products
  • mbedtls< 1.3.21-1.mga5
  • mbedtls< 2.6.0-1.mga6
Alpine1 product
  • mbedtls< 2.6.0-r0
Arm1 product
  • mbed_tls1.3.19 | 1.3.21 | 2.1.7 | 2.1.9 | 2.4.2 | 2.6.2
Debian1 product
  • mbedtls< 2.6.0-1 | < 2.4.2-1+deb9u1
Suse1 product
  • mbedtls&distro=SUSE Package Hub 12< 1.3.19-8.1
Trustedfirmware1 product
  • mbed_tls1.3.10 | 1.3.11 | 1.3.12 | 1.3.13 | 1.3.14 | 1.3.15 | 1.3.16 | 1.3.17 | 1.3.18 | 1.3.20 | 2.0.0 | 2.1.0 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4 | 2.1.5 | 2.1.6 | 2.1.8 | 2.2.0 | 2.2.1 | 2.3.0 | 2.4.0 | 2.5.1
Ubuntu1 product
  • mbedtls< 2.2.1-2ubuntu0.2

7 vendors · 8 products

References

15 links
Show all 15 references