Unauthenticated spacecraft uplink injection via wildcard UDP listener
Published Jul 29, 2026 · Updated Jul 29, 2026
Missing authentication in NASA AMMOS AIT-DSN before 2.2.2 allows remote attackers to inject data into spacecraft uplink queues. SleMgrServers.build_servers() passes only a port to Gevent DatagramServer, binding the CLTU listener to the IPv6 wildcard, while append_cltu_data() queues received bytes without authentication or source validation. Exploitation requires network reachability and an active SLE session; injected bytes enter the uplink PDU, while spacecraft execution depends on downstream frame authentication.
Summary
What happened
Missing authentication in NASA AMMOS AIT-DSN before 2.2.2 allows remote attackers to inject data into spacecraft uplink queues. SleMgrServers.build_servers() passes only a port to Gevent DatagramServer, binding the CLTU listener to the IPv6 wildcard, while append_cltu_data() queues received bytes without authentication or source validation. Exploitation requires network reachability and an active SLE session; injected bytes enter the uplink PDU, while spacecraft execution depends on downstream frame authentication.
The record
- CVE
- CVE-2026-60113
- Published
- Jul 29, 2026
- Updated
- Jul 29, 2026
- Vendor
- NASA AMMOS
- Product
- AIT-DSN
- Classifications
- CWE-1327, CWE-668, CWE-306, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 29, 2026CVE publishedPublication date reported by the CVE source.
- Jul 29, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <2.2.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GHSA-gj83-67wr-82mv proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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