4.7

CVE-2018-0498: arm mbed_tls

CVSS: 4.7v3.0MediumModified
AliasesALPINE-CVE-2018-0498UBUNTU-CVE-2018-0498DEBIAN-CVE-2018-0498
Published 28-07-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-0498 is a medium (CVSS 4.7) vulnerability in arm mbed_tls. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.7/10
010
Medium · v3.0 (NVD)
EPSS score
0.37%
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 4 · Related 1

Timeline

  1. 28-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.37%

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

No weakness data has been published for this record.

Affected systems

Debian2 products
Alpine1 product
  • mbedtls< 2.12.0-r0
Arm1 product
  • mbed_tls< 2.1.14 | ≥ 2.2.0, < 2.7.5 | ≥ 2.8.0, < 2.12.0
Ubuntu1 product
  • mbedtls< 2.2.1-2ubuntu0.3 | All versions (No fix recorded)

4 vendors · 5 products

References

9 links