CVE-2023-35906
Ibm Aspera Faspex ≤ 5.0.5
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-35906 is a medium-severity Reliance on IP Address for Authentication (CWE-291) vulnerability in Ibm Aspera Faspex. Its CVSS base score is 5.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Junk Data (T1001.001); ranked at the 29th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-39898
Vulnerability Data
IBM Aspera Faspex 5.0.5 could allow a remote attacked to bypass IP restrictions due to improper access controls. IBM X-Force ID: 259649.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Mandates proper device-level authentication instead of weaker identifiers such as IP addresses that are easily forged.
Directly requires independent verification of matching output before adverse decisions, mitigating insufficient authenticity checks on data from external sources.
Use of approved PKI certificates provides verifiable data authenticity and origin for communications and artifacts.
Mandates provision of authenticity and integrity artifacts that enable verification of name/address resolution data.
Requires explicit verification of data authenticity from authoritative sources, preventing acceptance of unauthenticated resolution responses.
Control requires verification of data authenticity/integrity (e.g., checksums) after aggregation/packing, directly reducing exploitation of insufficient verification before transmission.
Time synchronization supports reliable freshness verification when checking data authenticity across systems or components.
Mandates verification of data authenticity for software, firmware, and information.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Network monitoring can detect misuse of IP authentication but does not prevent the weakness.
Managed identities and credentials supplant weak IP-based authentication decisions.
Strong authentication mechanisms directly replace reliance on spoofable IP addresses.
Authorization policies and least privilege reduce dependence on network-location assertions.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
A.5.15 only requires defining a topic-specific access control policy and determining requirements; it does not itself enforce, implement or prevent exploitation of IP-based authentication (a technical flaw that can still be exploited even with a policy in place).
A.5.16 manages the lifecycle, uniqueness, and accountability of identities; it has no bearing on whether a product trusts an IP address as an authenticator, so the weakness remains present and exploitable.
Authentication-information rules discourage reliance on mutable attributes such as IP addresses.
A.5.18 governs the provisioning, review, and revocation of access rights granted to already-authenticated identities; it has no bearing on whether an IP address is used as (or in lieu of) an authentication mechanism, so the weakness can still be present and exploited.
A.8.2 controls the allocation, review, expiry and use of privileged rights via authorization and least-privilege rules; it has no bearing on whether a product accepts an IP address as an authenticator, so the weakness can still be present and exploited.
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.