CVE-2009-1157
CVE-2009-1157 is a high-severity vulnerability in Cisco Adaptive Security Appliance 5500 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.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Adaptive Security Appliance 5500
- Published:
- Last modified:
Description
Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)6, 7.1 before 7.1(2)82, 7.2 before 7.2(4)30, 8.0 before 8.0(4)28, and 8.1 before 8.1(2)19 allows remote attackers to cause a denial of service (memory consumption or device reload) via a crafted TCP packet.
Frequently asked questions
- What is CVE-2009-1157?
- Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)6, 7.1 before 7.1(2)82, 7.2 before 7.2(4)30, 8.0 before 8.0(4)28, and 8.1 before 8.1(2)19 allows remote attackers to cause a denial of service (memory consumption or device reload) via a crafted TCP packet.
- How severe is CVE-2009-1157?
- CVE-2009-1157 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2009-1157 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-1157?
- CVE-2009-1157 primarily affects Cisco Adaptive Security Appliance 5500. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-1157?
- 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-2009-1157 published?
- CVE-2009-1157 was published on 2009-04-09 and last updated on 2026-06-16.
References
- http://osvdb.org/53445
- http://secunia.com/advisories/34607
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml
- http://www.securityfocus.com/bid/34429
- http://www.securitytracker.com/id?1022015
- http://www.vupen.com/english/advisories/2009/0981
Affected products (10)
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:7.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:7.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:7.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:8.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:pix:8.1:*:*:*:*:*:*:*
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