{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-1277 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-1277 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-1277 is a high-severity vulnerability in Cisco Data Center Network Manager, published on 20 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-1277 and fix it if it is affected.\n\nWhat it is: CVE-2021-1277 is a high-severity vulnerability in Cisco Data Center Network Manager, published on 20 Jan 2021. 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-2021-1277 in the wild and no public exploit code.\n\nAffected product: Cisco Data Center Network 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-2021-1277/ (Markdown: https://insights.sbomify.com/CVE-2021-1277/index.md)","id":"CVE-2021-1277","markdown":"https://insights.sbomify.com/CVE-2021-1277/index.md","name":"CVE-2021-1277","record":{"aliases":["GHSA-qgg7-qhjr-6jh4"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["data_read","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Cisco DCNM","requires_auth":"none","summary":"Attackers can perform man-in-the-middle attacks to extract sensitive information or alter API requests due to insufficient certificate validation in Cisco DCNM.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"data_center_network_manager","vendor":"cisco"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-295","name":"Improper Certificate Validation"}],"description":"Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.","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 Data Center Network Manager Certificate Validation Vulnerabilities","id":"CVE-2021-1277","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"cisco:data_center_network_manager","products":["cisco:data_center_network_manager"],"type":"security_feature_bypass","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco SD-WAN Denial of Service Vulnerabilities","id":"CVE-2021-1278"},"packages":[],"prev":{"headline":"Cisco Data Center Network Manager Certificate Validation Vulnerabilities","id":"CVE-2021-1276"},"products":["Cisco Data Center Network Manager"],"published":"2021-01-20","related":[{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Authentication Bypass Vulnerability","id":"CVE-2020-3382","kev_date_added":null,"published":"2020-07-31"},{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Authentication Bypass Vulnerabilities","id":"CVE-2019-15975","kev_date_added":null,"published":"2020-01-06"},{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Authentication Bypass Vulnerabilities","id":"CVE-2019-15976","kev_date_added":null,"published":"2020-01-06"},{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Authentication Bypass Vulnerabilities","id":"CVE-2019-15977","kev_date_added":null,"published":"2020-01-06"},{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Authentication Bypass Vulnerability","id":"CVE-2019-1619","kev_date_added":null,"published":"2019-06-27"},{"cvss_score":9.8,"headline":"Cisco Data Center Network Manager Arbitrary File Upload and Remote Code Execution Vulnerability","id":"CVE-2019-1620","kev_date_added":null,"published":"2019-06-27"},{"cvss_score":8.8,"headline":"Cisco Data Center Network Manager SQL Injection Vulnerabilities","id":"CVE-2021-1247","kev_date_added":null,"published":"2021-01-20"}],"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":"2024-11-12","vendors":["Cisco"]},"summary":"Attackers can perform man-in-the-middle attacks to extract sensitive information or alter API requests due to insufficient certificate validation in Cisco DCNM.","url":"https://insights.sbomify.com/CVE-2021-1277/"}