VulnerabilityModified
CVE-2021-40399
An exploitable use-after-free vulnerability exists in WPS Spreadsheets ( ET ) as part of WPS Office, version 11.2.0.10351.
HIGH 7.8EPSS 1.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- wps/wps office
- Source
- talos-cna@cisco.com
References
- https://security.wps.cn/notices/28Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412Third Party Advisory
- https://security.wps.cn/notices/28Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.