Use After Free in Wps Office
CVE-2021-40399
An exploitable use-after-free vulnerability exists in WPS Spreadsheets ( ET ) as part of WPS Office, version 11.2.0.10351. A specially-crafted XLS file can cause a use-after-free condition, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to trigger the vulnerability.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (70.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
- Wps Office — versions 11.2.0.10351
- Wps Office — versions 11.2.0.10351
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1412 (Third Party Advisory)
- security.wps.cn/notices/28 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40399?
- CVE-2021-40399 is a high-severity vulnerability in Wps Office, classified under Use After Free. CVSS score: 7.8/10. Published 2022-05-12.
- How severe is CVE-2021-40399?
- High severity. CVSS v3 base score is 7.8 out of 10.