Vulnerability · Published May 12, 2022 · Assigned by talos
CVE-2021-40399
High 8.8
In plain English
A high-severity use-after-free in WPS Office from WPS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.0)8.8High
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WPS | WPS Office | 11.2.0.10351 |
Weakness: CWE-416 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412 x_refsource_MISC
- https://security.wps.cn/notices/28 x_refsource_CONFIRM