Security readout for executives and security teams
FreeRDP before 2.1.1 had a memory-reading flaw while processing NTLM challenge messages. For organizations, exposure is most relevant where FreeRDP or its WinPR libraries are installed on workstations, servers, jump hosts, or packaged applications. The provided sources do not establish active exploitation or business impact severity. Systems using FreeRDP or WinPR components older than upstream 2.1.1, or distribution packages predating the cited vendor security updates. Exposure may also exist through applications that bundle or dynamically link vulnerable FreeRDP libraries. Treat this as a routine but necessary patching item unless FreeRDP is heavily used in sensitive remote-access workflows. There is no provided evidence of active exploitation, but outdated remote-access tooling deserves timely remediation. Mitigation focus: Upgrade FreeRDP to 2.1.1 or later where using upstream packages.; Apply the relevant Ubuntu, openSUSE, or Debian LTS security update.; Identify applications that bundle FreeRDP or WinPR libraries..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2020-13396 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/FreeRDP/FreeRDP/compare/2.1.0...2.1.1CVE reference
- https://github.com/FreeRDP/FreeRDP/commit/8fb6336a4072abcee8ce5bd6ae91104628c7bb69CVE reference
- https://github.com/FreeRDP/FreeRDP/commit/48361c411e50826cb602c7aab773a8a20e1da6bcCVE reference
- USN-4379-1CVE reference · vendor-advisory
- USN-4382-1CVE reference · vendor-advisory
- [debian-lts-announce] 20200829 [SECURITY] [DLA 2356-1] freerdp security updateCVE reference · mailing-list
- [debian-lts-announce] 20231007 [SECURITY] [DLA 3606-1] freerdp2 security updateCVE reference · mailing-list
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.