{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2021-34715 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-34715 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-34715 is a medium-severity code injection vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 18 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-34715 and fix it if it is affected.\n\nWhat it is: CVE-2021-34715 is a medium-severity code injection vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 18 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-34715 in the wild and no public exploit code.\n\nAffected product: Cisco TelePresence Video Communication Server (VCS) Expressway. 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-2021-34715/ (Markdown: https://insights.sbomify.com/CVE-2021-34715/index.md)","id":"CVE-2021-34715","markdown":"https://insights.sbomify.com/CVE-2021-34715/index.md","name":"CVE-2021-34715","record":{"aliases":["GHSA-p7w3-xcqr-pr4r"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["code_execution","privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"Cisco Expressway VCS","requires_auth":"high_privilege","summary":"Authenticated attackers can execute arbitrary code with user-level privileges by uploading malicious upgrade packages to the administrative interface.","user_interaction":"not_required","vuln_class":"code_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"expressway","vendor":"cisco"},{"product":"telepresence_video_communication_server","vendor":"cisco"}],"cvss":{"score":4.7,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"cwes":[{"id":"CWE-347","name":"Improper Verification of Cryptographic Signature"}],"description":"A vulnerability in the image verification function of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute code with internal user privileges on the underlying operating system. The vulnerability is due to insufficient validation of the content of upgrade packages. An attacker could exploit this vulnerability by uploading a malicious archive to the Upgrade page of the administrative web interface. A successful exploit could allow the attacker to execute code with user-level privileges (the _nobody account) on the underlying operating system.","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 Expressway Series and TelePresence Video Communication Server Image Verification Vulnerability","id":"CVE-2021-34715","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"code_injection","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco Expressway Series and TelePresence Video Communication Server Remote Code Execution Vulnerability","id":"CVE-2021-34716"},"packages":[],"prev":{"headline":"Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerability","id":"CVE-2021-34714"},"products":["Cisco TelePresence Video Communication Server (VCS) Expressway"],"published":"2021-08-18","related":[{"cvss_score":9.6,"headline":"Cross-site request forgery in Cisco TelePresence Video Communication Server (VCS) Expressway","id":"CVE-2024-20252","kev_date_added":null,"published":"2024-02-07"},{"cvss_score":9.6,"headline":"Cross-site request forgery in Cisco TelePresence Video Communication Server (VCS) Expressway","id":"CVE-2024-20254","kev_date_added":null,"published":"2024-02-07"},{"cvss_score":9,"headline":"Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities","id":"CVE-2022-20812","kev_date_added":null,"published":"2022-07-06"},{"cvss_score":9,"headline":"Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities","id":"CVE-2022-20813","kev_date_added":null,"published":"2022-07-06"},{"cvss_score":8.6,"headline":"Denial of service in Cisco Expressway Series Software and Cisco TelePresence VCS Software All versions prior to version X8.8.2 are vulnerable","id":"CVE-2017-3790","kev_date_added":null,"published":"2017-02-01"},{"cvss_score":8.2,"headline":"Cross-site request forgery in Cisco TelePresence Video Communication Server (VCS) Expressway","id":"CVE-2024-20255","kev_date_added":null,"published":"2024-02-07"},{"cvss_score":6.7,"headline":"Cisco Expressway Series and TelePresence Video Communication Server Remote Code Execution Vulnerability","id":"CVE-2021-34716","kev_date_added":null,"published":"2021-08-18"}],"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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-11-07","vendors":["Cisco"]},"summary":"Authenticated attackers can execute arbitrary code with user-level privileges by uploading malicious upgrade packages to the administrative interface.","url":"https://insights.sbomify.com/CVE-2021-34715/"}