CVE-2025-30216

CRITICALNVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under NVD CVSS v3. EPSS exploit probability: 2.4%, top 18% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In versions 1.3.3 and prior, a Heap Overflow vulnerability occurs in the Crypto_TM_ProcessSecurity function (crypto_tm.c:1735:8). When processing the Secondary Header Length of a TM protocol packet, if the Secondary Header Length exceeds the packet's total length, a heap overflow is triggered during the memcpy operation that copies packet data into the dynamically allocated buffer p_new_dec_frame. This allows an attacker to overwrite adjacent heap memory, potentially leading to arbitrary code execution or system instability. A patch is available at commit 810fd66d592c883125272fef123c3240db2f170f.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
73(Attend)
EG Risk 73/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity94% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
3%
EPSS %ILE
85%
KEV
Not listed

Published

March 25, 2025

Last Modified

May 6, 2025

Advisory Details (3)

Auto-updated Sep 15, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
generic
https://github.com/user-attachments/assets/d49cea04-ce84-4d60-bb3a-987e843f09c4
github Patch Available🟡 PoC Available

Heap Overflow in Crypto_TM_ProcessSecurity due to Unchecked Secondary Header Length · Advisory · nasa/CryptoLib · GitHub

https://github.com/nasa/CryptoLib/security/advisories/GHSA-v3jc-5j74-hcjv
github_commit Patch Available

commit 810fd66d592c (nasa/CryptoLib)

Patch available: nasa/CryptoLib v1.4.0 (contains commit 810fd66d592c)

https://github.com/nasa/CryptoLib/commit/810fd66d592c883125272fef123c3240db2f170f

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 142 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
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  5. 2026-09-13 16:54 UTCOSV refresh
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  24. 2026-08-25 18:10 UTCOSV refresh
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  1. 2026-08-24 14:16 UTCEPSS rescore
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  27. 2026-07-25 14:17 UTCEPSS rescore
  28. 2026-07-24 14:17 UTCEPSS rescore
  29. 2026-07-24 11:11 UTCOSV refresh
  30. 2026-07-23 02:52 UTCEG score recompute
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  57. 2026-07-07 06:51 UTCOSV refresh
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  73. 2026-06-25 13:49 UTCEPSS rescore
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  75. 2026-06-24 14:04 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-30216?
CVE-2025-30216 is a critical vulnerability published on March 25, 2025. CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In versions 1.3.3 and prior, a Heap Overflow vulnerability occurs in…
When was CVE-2025-30216 disclosed?
CVE-2025-30216 was first published in the National Vulnerability Database on March 25, 2025, with the most recent update on May 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-30216 actively exploited?
CVE-2025-30216 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 15.3% of all scored CVEs.
What is the CVSS score of CVE-2025-30216?
CVE-2025-30216 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2025-30216?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-30216, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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