CVE-2019-1635
A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to incomplete error handling when XML data within a SIP packet is parsed. An attacker could exploit this vulnerability by sending a SIP packet that contains a malicious XML payload to an affected phone. A successful exploit could allow the attacker to cause the affected phone to reload unexpectedly, resulting in a temporary DoS condition.
EPSS 0.98% · 77.1th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cisco | unified_ip_8831_conference_phone_for_third-party_call_control2_firmware | *, 11.0\(4\)sr2, 10.3\(1\)sr4b |
| cisco | ip_phone_7841_firmware | 12.1\(1\)sr1, 11.0\(4\)sr2, 10.3\(1\)sr4b |
| cisco | ip_phone_8811_firmware | 10.3\(1\)sr4b, 9.3\(4\)sr3, 11.0\(4\)sr2 |
| Cisco | Cisco Wireless IP Phone 8821 and 8821-EX | unspecified |
| cisco | ip_phone_8851_firmware | 12.1\(1\)sr1, 9.3\(4\)sr3, 11.0\(4\)sr2 |
| cisco | ip_conference_phone_7832_firmware | 12.1\(1\)sr1, 11.0\(4\)sr2, 9.3\(4\)sr3 |
| cisco | unified_ip_8831_conference_phone1_firmware | *, 12.1\(1\)sr1, 10.3\(1\)sr4b |
| cisco | wireless_ip_phone_8821_firmware | 12.1\(1\)sr1, *, * |
| cisco | ip_phone_8861_firmware | 9.3\(4\)sr3, *, 12.1\(1\)sr1 |
| cisco | ip_phone_8865_firmware | 9.3\(4\)sr3, 11.0\(4\)sr2, * |
| cisco | ip_phone_7811_firmware | 12.1\(1\)sr1, 10.3\(1\)sr4b, 11.0\(4\)sr2 |
| Cisco | Cisco IP Phone 7800 Series and 8800 Series | unspecified |
| cisco | ip_phone_8845_firmware | 12.1\(1\)sr1, *, * |
| cisco | ip_phone_7861_firmware | 12.1\(1\)sr1, 11.0\(4\)sr2, 9.3\(4\)sr3 |
| cisco | wireless_ip_phone_8821-ex_firmware | 10.3\(1\)sr4b, 9.3\(4\)sr3, 11.0\(4\)sr2 |
| cisco | ip_phone_8841_firmware | 9.3\(4\)sr3, *, 12.1\(1\)sr1 |
| cisco | ip_phone_7821_firmware | 9.3\(4\)sr3, 12.1\(1\)sr1, 11.0\(4\)sr2 |
| cisco | ip_conference_phone_8832_firmware | 9.3\(4\)sr3, 10.3\(1\)sr4b, 11.0\(4\)sr2 |
Exploit Intelligence
Timeline
- May 1, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-ike-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ipsec-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-privesc advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-smb-snort advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-firepower-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-udb-sm advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sbr-hijack advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-phone-sip-xml-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-entropy advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-csrf advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-frpwrtd-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-nexus9k-rpe advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-scbv advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-aci-insecure-fabric advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-apic-priv-escalation advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn advisory
…and 3 more