VulnerabilityModified
CVE-2021-3693
By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.
CRITICAL 9.6EPSS 3.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.
- CVSS 3.1
- 9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 3.17% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- ledgersmb/ledgersmb · debian/debian linux
- Source
- security@huntr.dev
References
- https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667Third Party Advisory
- https://ledgersmb.org/cve-2021-3693-cross-site-scriptingPatch, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
- https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667Third Party Advisory
- https://ledgersmb.org/cve-2021-3693-cross-site-scriptingPatch, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.