CVE-2021-44162
CVE-2021-44162 is a high-severity vulnerability in Chinasea Qb Smart Service Robot with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Chinasea Qb Smart Service Robot
- Published:
- Last modified:
Description
Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.
Frequently asked questions
- What is CVE-2021-44162?
- Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.
- How severe is CVE-2021-44162?
- CVE-2021-44162 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-44162 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44162?
- CVE-2021-44162 affects Chinasea Qb Smart Service Robot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-44162?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-44162 published?
- CVE-2021-44162 was published on 2021-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:*
More vulnerabilities in Chinasea Qb Smart Service Robot
- CVE-2021-44164 — Critical (CVSS 9.8): Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which…
- CVE-2021-44163 — Medium (CVSS 6.1): Chain Sea ai chatbot backend has improper filtering of special characters in URL parameters, which allows a remote…
All CVEs affecting Chinasea Qb Smart Service Robot →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…