{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-1568 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-1568 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-1568 is a medium-severity denial of service vulnerability in Cisco Anyconnect Secure Mobility Client, published on 16 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-1568 and fix it if it is affected.\n\nWhat it is: CVE-2021-1568 is a medium-severity denial of service vulnerability in Cisco Anyconnect Secure Mobility Client, published on 16 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-1568 in the wild and no public exploit code.\n\nAffected product: Cisco Anyconnect Secure Mobility Client. 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-2021-1568/ (Markdown: https://insights.sbomify.com/CVE-2021-1568/index.md)","id":"CVE-2021-1568","markdown":"https://insights.sbomify.com/CVE-2021-1568/index.md","name":"CVE-2021-1568","record":{"aliases":["GHSA-v9xf-fr6m-f93p"],"analysis":{"component_type":"desktop_application","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"VPN client","requires_auth":"low_privilege","summary":"A local authenticated attacker can crash the Cisco AnyConnect VPN Agent service by placing a crafted file in a specific folder, causing denial of service.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"anyconnect_secure_mobility_client","vendor":"cisco"}],"cvss":{"score":5.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-789","name":"Memory Allocation with Excessive Size Value"}],"description":"A vulnerability in Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to uncontrolled memory allocation. An attacker could exploit this vulnerability by copying a crafted file to a specific folder on the system. A successful exploit could allow the attacker to crash the VPN Agent service when the affected application is launched, causing it to be unavailable to all users of the system. To exploit this vulnerability, the attacker must have valid credentials on a multiuser Windows 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 AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability","id":"CVE-2021-1568","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"cisco:anyconnect_secure_mobility_client","products":["cisco:anyconnect_secure_mobility_client"],"type":"denial_of_service","year":"2021"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco Jabber Desktop and Mobile Client Software Vulnerabilities","id":"CVE-2021-1569"},"packages":[],"prev":{"headline":"Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability","id":"CVE-2021-1567"},"products":["Cisco AnyConnect Secure Mobility Client"],"published":"2021-06-16","related":[{"cvss_score":7.8,"headline":"Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking","id":"CVE-2020-3433","kev_date_added":"2022-10-24","published":"2020-08-17"},{"cvss_score":6.5,"headline":"Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path","id":"CVE-2020-3153","kev_date_added":"2022-10-24","published":"2020-02-19"},{"cvss_score":9.3,"headline":"Security feature bypass in n/a","id":"CVE-2012-3088","kev_date_added":null,"published":"2012-09-16"},{"cvss_score":9.3,"headline":"Code injection in n/a","id":"CVE-2012-2493","kev_date_added":null,"published":"2012-06-20"},{"cvss_score":9.3,"headline":"Code injection in n/a","id":"CVE-2011-2040","kev_date_added":null,"published":"2011-06-02"},{"cvss_score":7.8,"headline":"Privilege escalation in Cisco Secure Client","id":"CVE-2023-20178","kev_date_added":null,"published":"2023-06-28"},{"cvss_score":7.8,"headline":"Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability","id":"CVE-2021-1366","kev_date_added":null,"published":"2021-02-17"}],"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":"A local authenticated attacker can crash the Cisco AnyConnect VPN Agent service by placing a crafted file in a specific folder, causing denial of service.","url":"https://insights.sbomify.com/CVE-2021-1568/"}