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Review reviewHigh

CVE-2021-3305

feishu

Beijing Feishu Technology Co., Ltd Feishu v3.40.3 was discovered to contain an untrusted search path vulnerability.

CVSS
7.8
EPSS
0.33%
25.4% percentile
CISA KEV
Not listed
Published
2022.10.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.33%
Technical severityCVSS 7.8

Vulnerability overview

Beijing Feishu Technology Co., Ltd Feishu v3.40.3 was discovered to contain an untrusted search path vulnerability.

Affected product and versions

Product
feishu
Affected versions
>= 3.40.3 <= 3.41.3
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that feishu and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-426