VulnerabilityModified
CVE-2021-42839
While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.
HIGH 8.8EPSS 2.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Grand Vice info Co. webopac7 file upload function fails to filter special characters. While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.43% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- vice/webopac
- Source
- twcert@cert.org.tw
References
- https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.htmlThird Party Advisory
- https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.