CVE-2013-1243
CVE-2013-1243 is a high-severity vulnerability in Cisco Asa 5500-x Series Ips Ssp Software with a CVSS 2.0 base score of 7.8. 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-119.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Cisco Asa 5500-x Series Ips Ssp Software
- Published:
- Last modified:
Description
The IP stack in Cisco Intrusion Prevention System (IPS) Software in ASA 5500-X IPS-SSP software and hardware modules before 7.1(5)E4, IPS 4500 sensors before 7.1(6)E4, and IPS 4300 sensors before 7.1(5)E4 allows remote attackers to cause a denial of service (MainApp process hang) via malformed IPv4 packets, aka Bug ID CSCtx18596.
Frequently asked questions
- What is CVE-2013-1243?
- The IP stack in Cisco Intrusion Prevention System (IPS) Software in ASA 5500-X IPS-SSP software and hardware modules before 7.1(5)E4, IPS 4500 sensors before 7.1(6)E4, and IPS 4300 sensors before 7.1(5)E4 allows remote attackers to cause a denial of service (MainApp process hang) via malformed IPv4 packets, aka Bug ID CSCtx18596.
- How severe is CVE-2013-1243?
- CVE-2013-1243 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2013-1243 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-1243?
- CVE-2013-1243 primarily affects Cisco Asa 5500-x Series Ips Ssp Software. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-1243?
- 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-2013-1243 published?
- CVE-2013-1243 was published on 2013-07-18 and last updated on 2026-06-16.
References
Affected products (9)
- cpe:2.3:a:cisco:asa_5500-x_series_ips_ssp_software:7.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:intrusion_prevention_system:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:idsm-2:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ips_4345_sensor:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ips_4360_sensor:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ips_4510_sensor:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ips_4520_sensor:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ips_nme:-:*:*:*:*:*:*:*
More vulnerabilities in Cisco Asa 5500-x Series Ips Ssp Software
- CVE-2013-1218 — High (CVSS 7.8): Cisco Intrusion Prevention System (IPS) Software in ASA 5500-X IPS-SSP software modules before 7.1(7)sp1E4 allows…
All CVEs affecting Cisco Asa 5500-x Series Ips Ssp Software →
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