All vulnerabilities

Servers and applications

CVE-2015-4458

The TLS implementation in the Cavium cryptographic-module firmware, as distributed with Cisco Adaptive Security Appliance (ASA) Software 9.1(5.21) and other products, does not verify the MAC field, which allows man-in-the-middle attackers to spoof TLS content by modifying packets, aka Bug ID CSCuu52976.

Severity
Medium 4.3
Published
18 Jul 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 62% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-310
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 9.1.5.21

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-4458
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-4458