VulnerabilityModified
CVE-2021-3694
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 2.51%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
LedgerSMB does not sufficiently HTML-encode error messages sent to the browser. 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
- 2.51% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- ledgersmb/ledgersmb · debian/debian linux
- Source
- security@huntr.dev
References
- https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fcPatch, Third Party Advisory
- https://huntr.dev/bounties/ef7f4cf7-3a81-4516-b261-f5b6ac21430cThird Party Advisory
- https://ledgersmb.org/cve-2021-3694-cross-site-scriptingVendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
- https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fcPatch, Third Party Advisory
- https://huntr.dev/bounties/ef7f4cf7-3a81-4516-b261-f5b6ac21430cThird Party Advisory
- https://ledgersmb.org/cve-2021-3694-cross-site-scriptingVendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.