Vulnerability Details : CVE-2015-4550
The Cavium cryptographic-module firmware on Cisco Adaptive Security Appliance (ASA) devices with software 9.3(3) and 9.4(1.1) does not verify the AES-GCM Integrity Check Value (ICV) octets, which makes it easier for man-in-the-middle attackers to spoof IPSec and IKEv2 traffic by modifying packet data, aka Bug ID CSCuu66218.
Products affected by CVE-2015-4550
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\(3\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4\(1.1\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4550
0.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4550
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2015-4550
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4550
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http://tools.cisco.com/security/center/viewAlert.x?alertId=39366
Cisco Adaptive Security Appliance Encrypted IPSec or IKEv2 Packet Modification VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1032595
Cisco ASA ICV Verification Flaw Lets Remote Users Modify IPSec/IKEv2 Packet Contents - SecurityTracker
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http://www.securityfocus.com/bid/75269
Cisco Adaptive Security Appliance (ASA) Software CVE-2015-4550 Security Bypass Vulnerability
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