Security readout for executives and security teams
Plain-English summary
CVE-2023-24487 is an arbitrary file read issue in Citrix ADC and Citrix Gateway. The public record rates it medium severity, but affected appliances often sit near sensitive access paths. The sources do not show active exploitation or provide specific fixed builds in the supplied bundle.
Executive priority
Treat this as a near-term remediation item for Citrix edge infrastructure. It is not marked as actively exploited in the supplied sources, but unauthenticated access and sensitive appliance placement justify prompt inventory and vendor-guided patch planning.
Technical view
The CVSS 3.1 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L, score 6.3. It affects listed Citrix ADC and Citrix Gateway branches and variants. The issue is described as arbitrary file read, with potential low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in organizations running Citrix ADC or Citrix Gateway 13.1, 13.0, 12.1, 12.1-FIPS, 13.1-FIPS, or 12.1-NDcPP. The CVSS vector indicates adjacent network access, not internet-wide remote access.
Exploitation context
The supplied bundle states KEV is false and provides no cited evidence of active exploitation. The vulnerability needs no privileges or user interaction, but the CVSS attack vector is adjacent network, which limits reach compared with fully remote internet exploitation.
Researcher notes
Evidence is limited to CVE metadata and the Citrix bulletin URL. The bundle does not include fixed build numbers, exploit details, or log indicators. Avoid assuming internet exploitability because the CVSS vector is adjacent network.
Mitigation direction
- Review Citrix bulletin CTX477714 for vendor-approved fixed builds or mitigations.
- Inventory all Citrix ADC and Citrix Gateway appliances and version branches.
- Prioritize supported updates for affected 13.1, 13.0, and listed FIPS or NDcPP variants.
- Restrict network reachability to Citrix appliances where business requirements allow.
- Monitor Citrix advisories for updated remediation guidance.
Validation and detection
- Confirm deployed Citrix ADC and Gateway versions against the affected version list.
- Identify whether vulnerable services are reachable from adjacent or untrusted network segments.
- Check whether each appliance is covered by the Citrix CTX477714 guidance.
- Review logs for unusual file access indicators if Citrix guidance defines them.
- Document exceptions where updates cannot be applied promptly.
Public sources used
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-253: 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-24487 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
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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 vector scores
1 official scoreWe 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:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
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.
Incorrect Check of Function Return Value
Incorrect Check of Function Return Value represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.