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CVE-2021-26630

CRITICALCVSS 9.8/10EPSS 0.73%

Last modified

CVE-2021-26630 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper input validation vulnerability in HANDY Groupware’s ActiveX moudle allows attackers to download or execute arbitrary files. This vulnerability can be exploited by using the file download or execution path as the parameter value of the vulnerable function.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

Improper input validation vulnerability in HANDY Groupware’s ActiveX moudle allows attackers to download or execute arbitrary files. This vulnerability can be exploited by using the file download or execution path as the parameter value of the vulnerable 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
0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HandysoftGroupware< 1.7.4.7
HandysoftGroupware>= 2.0.0.0, < 2.0.3.7
HandysoftGroupware>= 4.0.0.0, < 4.0.1.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-26630?
Improper input validation vulnerability in HANDY Groupware’s ActiveX moudle allows attackers to download or execute arbitrary files. This vulnerability can be exploited by using the file download or execution path as the parameter value of the vulnerable function.
How severe is CVE-2021-26630?
CVE-2021-26630 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26630?
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-2021-26630?

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

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Source: NVD / NIST