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No exploitation reportedFix available

CVE-2018-0497

No exploitation reported by the sources we read.

  • Published2018-07-28
  • Fixed in2.12.0 · 2.7.5 · 2.1.14

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vulnerability exists because of an incorrect fix (with a wrong SHA-384 calculation) for CVE-2013-0169.

Timeline

dates in UTC
  1. 2018-07-2817:29CVE publishedNVD

Versions per branch

NVD
Arm mbed tls
BranchAffectedFixed in
2.x≥ 2.8.0, < 2.12.02.12.0
2.x≥ 2.2.0, < 2.7.52.7.5
2.1< 2.1.142.1.14
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
9.0= 9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • mbedtlsUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • mbedtlsUbuntu:16.04:LTSall versions · fixed in 2.2.1-2ubuntu0.3
  • mbedtlsMageia:6all versions · fixed in 2.7.6-1.mga6
  • mbedtlsDebian:14all versions · fixed in 2.12.0-1
  • mbedtlsDebian:13all versions · fixed in 2.12.0-1
  • mbedtlsDebian:12all versions · fixed in 2.12.0-1
  • mbedtlsDebian:9all versions · fixed in 2.4.2-1+deb9u3
  • mbedtlsCleanStartall versions · fixed in 2.12.0-r0and 1 other package

18 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Arm mbed tls to 2.12.0 · 2.7.5 · 2.1.14

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-07-28
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-pxhv-jv3r-8j7f

Frequently asked questions

What is CVE-2018-0497?

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vulnerability exists because of an incorrect fix (with a wrong SHA-384 calculation) for CVE-2013-0169.

Is CVE-2018-0497 actively exploited?

Active exploitation of CVE-2018-0497 has not been confirmed. Its EPSS score was 2.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-0497?

CVE-2018-0497 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

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