How severe is CVE-2015-0676?

CVE-2015-0676 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2015-0676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0676?

CVE-2015-0676 primarily affects Cisco Adaptive Security Appliance Software. In total, 241 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0676?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-0676 published?

CVE-2015-0676 was published on 2015-04-13 and last updated on 2026-06-17.

CVE-2015-0676

CVE-2015-0676 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Adaptive Security Appliance Software
Published: 2015-04-13
Last modified: 2026-06-17

Description

The DNS implementation in Cisco Adaptive Security Appliance (ASA) Software 7.2 before 7.2(5.16), 8.2 before 8.2(5.57), 8.3 before 8.3(2.44), 8.4 before 8.4(7.28), 8.5 before 8.5(1.24), 8.6 before 8.6(1.17), 8.7 before 8.7(1.16), 9.0 before 9.0(4.33), 9.1 before 9.1(6.1), 9.2 before 9.2(3.4), and 9.3 before 9.3(3) allows man-in-the-middle attackers to cause a denial of service (memory consumption or device outage) by triggering outbound DNS queries and then sending crafted responses to these queries, aka Bug ID CSCuq77655.

Frequently asked questions

What is CVE-2015-0676?: The DNS implementation in Cisco Adaptive Security Appliance (ASA) Software 7.2 before 7.2(5.16), 8.2 before 8.2(5.57), 8.3 before 8.3(2.44), 8.4 before 8.4(7.28), 8.5 before 8.5(1.24), 8.6 before 8.6(1.17), 8.7 before 8.7(1.16), 9.0 before 9.0(4.33), 9.1 before 9.1(6.1), 9.2 before 9.2(3.4), and 9.3 before 9.3(3) allows man-in-the-middle attackers to cause a denial of service (memory consumption or device outage) by triggering outbound DNS queries and then sending crafted responses to these queries, aka Bug ID CSCuq77655.
How severe is CVE-2015-0676?: CVE-2015-0676 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2015-0676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0676?: CVE-2015-0676 primarily affects Cisco Adaptive Security Appliance Software. In total, 241 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-0676 published?: CVE-2015-0676 was published on 2015-04-13 and last updated on 2026-06-17.

References

Affected products (241)

cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.5.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.18:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.22:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.26:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.29:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6.32:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8.13:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.16:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.20:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.24:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.28:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.38:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.42:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.46:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.49:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.53:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.61:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.64:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.72:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1.2.81:*:*:*:*:*:*:*

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