Security readout for executives and security teams
Plain-English summary
Older Keysight IxChariot Endpoint installations can be crashed remotely and may allow an attacker to run unauthorized code. No login or user interaction is required, making reachable systems especially concerning. The source bundle identifies versions before 9.5.102 as vulnerable.
Executive priority
Treat reachable legacy endpoints as an immediate remediation priority because compromise requires neither credentials nor user action. Prioritize internet-facing and broadly accessible internal systems, then verify upgrade or isolation completion.
Technical view
CVE-2017-20241 is a heap-based buffer overflow (CWE-122) triggered by a specially crafted network packet. It has CVSS 3.1 score 9.8: network-accessible, low complexity, unauthenticated, and capable of high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where IxChariot Endpoint versions earlier than 9.5.102 are installed and reachable from untrusted or broad internal networks. The supplied affected-version metadata is inconsistent, so inventory findings should be checked against Keysight guidance.
Exploitation context
The supplied sources describe remote unauthenticated crash and potential arbitrary code execution. They do not establish active exploitation, and the CVE is not identified as being in CISA's Known Exploited Vulnerabilities catalog.
Researcher notes
The stated boundary is “before 9.5.102,” but the supplied affected array lists “9.5.102” and “0” with unknown default status. Confirm product-status details with the vendor. The evidence supports denial of service and potential code execution, but not confirmed exploitation or a public exploit.
Mitigation direction
- Upgrade affected IxChariot Endpoint installations to version 9.5.102 or later, subject to Keysight guidance.
- Restrict endpoint network access to authorized testing systems and trusted management networks.
- Remove or disable obsolete endpoint installations that are no longer operationally required.
- Monitor Keysight's advisory for revised remediation or affected-version information.
Validation and detection
- Inventory all IxChariot Endpoint installations and record their exact versions.
- Confirm installations earlier than 9.5.102 are upgraded, isolated, disabled, or removed.
- Review firewall and segmentation controls governing access to each endpoint.
- Check endpoint and network telemetry for unexplained crashes or suspicious inbound traffic.
- Reconcile version findings with the current Keysight advisory because supplied metadata is inconsistent.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-20241 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9cisa-cgCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——cisa-cgVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- urlCVE reference, cisa-cg · vendor-advisory
- urlCVE reference, cisa-cg · vdb-entry
- urlCVE reference, cisa-cg · third-party-advisory
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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.