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CVE-2021-33592

CRITICALCVSS 9.8/10EPSS 2.12%

Last modified

CVE-2021-33592 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.12%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NaverToolbar< 4.0.30.323

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-33592?
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.
How severe is CVE-2021-33592?
CVE-2021-33592 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33592?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33592?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST