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CVE-2021-29377

CRITICALCVSS 9.8/10EPSS 1.60%

Last modified

CVE-2021-29377 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Pear Admin Think through 2.1.2 has an arbitrary file upload vulnerability that allows attackers to execute arbitrary code remotely. A .php file can be uploaded via admin.php/index/upload because app/common/service/UploadService.php mishandles fileExt.. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

Pear Admin Think through 2.1.2 has an arbitrary file upload vulnerability that allows attackers to execute arbitrary code remotely. A .php file can be uploaded via admin.php/index/upload because app/common/service/UploadService.php mishandles fileExt.

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
1.60%

72.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PearadminPearadmin Think<= 2.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-29377?
Pear Admin Think through 2.1.2 has an arbitrary file upload vulnerability that allows attackers to execute arbitrary code remotely. A .php file can be uploaded via admin.php/index/upload because app/common/service/UploadService.php mishandles fileExt.
How severe is CVE-2021-29377?
CVE-2021-29377 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29377?
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-2021-29377?

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

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Source: NVD / NIST