CVE-2025-27364

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2025-02-24. NVD baseline CVSS 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 25%CVSS: 10.0Exploit: Elevated riskExposed: 0

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

In MITRE Caldera through 4.2.0 and 5.0.0 before 35bc06e, a Remote Code Execution (RCE) vulnerability was found in the dynamic agent (implant) compilation functionality of the server. This allows remote attackers to execute arbitrary code on the server that Caldera is running on via a crafted web request to the Caldera server API used for compiling and downloading of Caldera's Sandcat or Manx agent (implants). This web request can use the gcc -extldflags linker flag with sub-commands.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
76(Attend)
EG Risk 76/100SSVC: 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
Severity100% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
25%
EPSS %ILE
98%
KEV
Not listed

Published

February 24, 2025

Last Modified

April 15, 2026

Advisory Details (5)

Auto-updated Jul 25, 2026
Patch available. Sources: github_commit, github_pr.
generic

Overview · apache/caldera · GitHub

https://github.com/mitre/caldera/security
generic

Releases · apache/caldera · GitHub

https://github.com/mitre/caldera/releases
github_pr Patch Available

repin

Patch available: mitre/caldera 5.1.0 (PR #3131 merged 2025-02-17)

https://github.com/mitre/caldera/pull/3131/commits/61de40f92a595bed462372a5e676c2e5a32d1050
github_pr Patch Available

sanitize user-provided LDFLAG parameters

Patch available: mitre/caldera 5.1.0 (PR #3129 merged 2025-02-17)

https://github.com/mitre/caldera/pull/3129
github_commit Patch Available

commit 35bc06e42e19 (mitre/caldera)

Patch available: mitre/caldera 5.1.0 (contains commit 35bc06e42e19)

https://github.com/mitre/caldera/commit/35bc06e42e19fe7efbc008999b9f993b1b7109c0

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 42× 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 124 total refreshes for this CVE.

  1. 2026-07-28 15:35 UTCEPSS rescore
  2. 2026-07-26 14:53 UTCEPSS rescore
  3. 2026-07-25 14:17 UTCEPSS rescore
  4. 2026-07-25 05:41 UTCOSV refresh
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  6. 2026-07-23 02:52 UTCEG score recompute
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  1. 2026-07-12 05:46 UTCEPSS rescore
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  7. 2026-07-08 00:12 UTCOSV refresh
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  29. 2026-06-21 01:59 UTCEPSS rescore
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  31. 2026-06-19 11:55 UTCOSV refresh
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  60. 2026-05-29 13:44 UTCEPSS rescore
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  74. 2026-05-23 15:20 UTCEPSS rescore
  75. 2026-05-22 21:16 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-27364?
CVE-2025-27364 is a critical vulnerability published on February 24, 2025. In MITRE Caldera through 4.2.0 and 5.0.0 before 35bc06e, a Remote Code Execution (RCE) vulnerability was found in the dynamic agent (implant) compilation functionality of the server. This allows remote attackers to execute arbitrary code on the server that Caldera is running on via a crafted web…
When was CVE-2025-27364 disclosed?
CVE-2025-27364 was first published in the National Vulnerability Database on February 24, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-27364 actively exploited?
CVE-2025-27364 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25% probability of exploitation in the next 30 days, which ranks it in the top 2.3% of all scored CVEs.
What is the CVSS score of CVE-2025-27364?
CVE-2025-27364 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2025-27364?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27364, 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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