How severe is CVE-2015-0742?

CVE-2015-0742 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-0742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0742?

CVE-2015-0742 primarily affects Cisco Adaptive Security Appliance Software. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0742?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-0742 published?

CVE-2015-0742 was published on 2015-05-21 and last updated on 2026-06-17.

CVE-2015-0742

CVE-2015-0742 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Adaptive Security Appliance Software
Published: 2015-05-21
Last modified: 2026-06-17

Description

The Protocol Independent Multicast (PIM) application in Cisco Adaptive Security Appliance (ASA) Software 9.2(0.0), 9.2(0.104), 9.2(3.1), 9.2(3.4), 9.3(1.105), 9.3(2.100), 9.4(0.115), 100.13(0.21), 100.13(20.3), 100.13(21.9), and 100.14(1.1) does not properly implement multicast-forwarding registration, which allows remote attackers to cause a denial of service (forwarding outage) via a crafted multicast packet, aka Bug ID CSCus74398.

Frequently asked questions

What is CVE-2015-0742?: The Protocol Independent Multicast (PIM) application in Cisco Adaptive Security Appliance (ASA) Software 9.2(0.0), 9.2(0.104), 9.2(3.1), 9.2(3.4), 9.3(1.105), 9.3(2.100), 9.4(0.115), 100.13(0.21), 100.13(20.3), 100.13(21.9), and 100.14(1.1) does not properly implement multicast-forwarding registration, which allows remote attackers to cause a denial of service (forwarding outage) via a crafted multicast packet, aka Bug ID CSCus74398.
How severe is CVE-2015-0742?: CVE-2015-0742 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-0742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0742?: CVE-2015-0742 primarily affects Cisco Adaptive Security Appliance Software. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0742 published?: CVE-2015-0742 was published on 2015-05-21 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:cisco:adaptive_security_appliance_software:9.2\(3.4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance_software:9.4\(0.115\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance_software:100.13\(0.21\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance_software:100.13\(20.3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance_software:100.13\(21.9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.2\(0.0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.2\(0.104\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.2\(3.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\(1.105\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\(2.100\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:100.14\(1.1\):*:*:*:*:*:*:*

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