High severity · published Oct 5, 2016
CVE-2016-6380
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or…
8.1
CVSS
3%
EPSS
No
On KEV
Description
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption or device reload) via a crafted DNS response, aka Bug ID CSCup90532.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
3.1.0s; 3.1.0sg; 3.1.1s; 3.1.1sg; 3.1.2s; 3.1.3as; +34 more · source: NVD
IO
Ios · Cisco
12.0(3)t; 12.0(3)t1; 12.0(3)t2; 12.0(3)t3; 12.0(3)xe; 12.0(3)xe1; +34 more · source: NVD
IX
Ios XE 3.2ja · Cisco
3.2.0ja · source: NVD
IX
Ios XE 3.3sg · Cisco
3.3.0sg; 3.3.1sg; 3.3.2sg · source: NVD
IX
Ios XE 3.3xo · Cisco
3.3.0xo; 3.3.1xo; 3.3.2xo · source: NVD
IX
Ios XE 3.4sg · Cisco
3.4.0sg; 3.4.1sg; 3.4.2sg; 3.4.3sg; 3.4.4sg; 3.4.5sg; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6380
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6380
Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-dns
www.securityfocus.com
http://www.securityfocus.com/bid/93201
www.securitytracker.com
http://www.securitytracker.com/id/1036914
ics-cert.us-cert.gov
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04
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