synced 8 MIN AGO
01 Record

CVE-2016-7440

The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 23.2% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2016-12-13 16:00Z9 YR AGO
Last updated
2024-08-06 01:57Z2 YR AGO
Reserved
2016-09-09
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
475269008c6139475db1ee99d3a31d684bf8747db3be7049e15f8e10eb183ed8

05 Affected products

VendorProductVersionsPlatforms
debiandebian_linuxNot specified—
mariadbmariadbNot specified—
oraclemysqlNot specified—
redhatenterprise_linuxNot specified—
redhatopenstackNot specified—
redhatrhel_software_collectionsNot specified—
wolfsslwolfsslNot specified—

06 References

07 Fixed in

Debian 12

  • wolfssl
    Fixed in 3.9.10+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • wolfssl
    Fixed in 3.9.10+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • mariadb-5.5
    Fixed in 5.5.53-1ubuntu0.14.04.1
  • mysql-5.5
    Fixed in 5.5.53-0ubuntu0.14.04.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • mariadb-10.0
    Fixed in 10.0.28-0ubuntu0.16.04.1
  • mysql-5.7
    Fixed in 5.7.16-0ubuntu0.16.04.1
  • percona-server-5.6
    No fix yet
  • percona-xtradb-cluster-5.6
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.