{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-1887 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2019-1887 yet. Limit exposure of the affected software until one is available.","what":"CVE-2019-1887 is a high-severity denial of service vulnerability in Cisco Unified Communications Manager, published on 6 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-1887 and fix it if it is affected.\n\nWhat it is: CVE-2019-1887 is a high-severity denial of service vulnerability in Cisco Unified Communications Manager, published on 6 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2019-1887 in the wild and no public exploit code.\n\nAffected product: Cisco Unified Communications Manager. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2019-1887/ (Markdown: https://insights.sbomify.com/CVE-2019-1887/index.md)","id":"CVE-2019-1887","markdown":"https://insights.sbomify.com/CVE-2019-1887/index.md","name":"CVE-2019-1887","record":{"aliases":["GHSA-v6rv-mppr-vw2j"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Unified Communications Manager","requires_auth":"none","summary":"Unauthenticated remote attackers can cause a denial of service by sending malformed SIP packets, disrupting phone registrations in Cisco Unified Communications Manager.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"unified_communications_manager","vendor":"cisco"}],"cvss":{"score":8.6,"severity":"high","source":"cna","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.0"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"description":"A vulnerability in the Session Initiation Protocol (SIP) protocol implementation of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of input SIP traffic. An attacker could exploit this vulnerability by sending a malformed SIP packet to an affected Cisco Unified Communications Manager. A successful exploit could allow the attacker to trigger a new registration process on all connected phones, temporarily disrupting service.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability","id":"CVE-2019-1887","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"cisco:unified_communications_manager","products":["cisco:unified_communications_manager"],"type":"denial_of_service","year":"2019"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco Unified Contact Center Express Privilege Escalation Vulnerability","id":"CVE-2019-1888"},"packages":[],"prev":{"headline":"Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability","id":"CVE-2019-1886"},"products":["Cisco Unified Communications Manager"],"published":"2019-07-06","related":[{"cvss_score":8.6,"headline":"Cisco Unified Communications Manager Server-Side Request Forgery (SSRF)","id":"CVE-2026-20230","kev_date_added":"2026-06-25","published":"2026-06-03"},{"cvss_score":8.2,"headline":"Cisco Unified Communications Products Code Injection","id":"CVE-2026-20045","kev_date_added":"2026-01-21","published":"2026-01-21"},{"cvss_score":10,"headline":"Cisco Unified Communications Manager Static SSH Credentials Vulnerability","id":"CVE-2025-20309","kev_date_added":null,"published":"2025-07-02"},{"cvss_score":10,"headline":"Information disclosure in n/a","id":"CVE-2011-1643","kev_date_added":null,"published":"2011-08-29"},{"cvss_score":9.9,"headline":"Deserialization in Cisco Packaged Contact Center Enterprise","id":"CVE-2024-20253","kev_date_added":null,"published":"2024-01-26"},{"cvss_score":9,"headline":"Information disclosure in n/a","id":"CVE-2009-0632","kev_date_added":null,"published":"2009-03-12"},{"cvss_score":8.8,"headline":"SQL injection in Cisco Unified Communications Manager","id":"CVE-2017-6757","kev_date_added":null,"published":"2017-08-07"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-11-19","vendors":["Cisco"]},"summary":"Unauthenticated remote attackers can cause a denial of service by sending malformed SIP packets, disrupting phone registrations in Cisco Unified Communications Manager.","url":"https://insights.sbomify.com/CVE-2019-1887/"}