VulnerabilityModified
CVE-2021-33592
NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file.
CRITICAL 9.8EPSS 2.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.12% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- naver/toolbar
- Source
- cve@navercorp.com
References
- https://cve.naver.com/detail/cve-2021-33592Vendor Advisory
- https://cve.naver.com/detail/cve-2021-33592Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.