CVE-2025-48057

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 57% 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as valid. This allows an attacker to send a malicious certificate request that is then treated as a renewal of an already existing certificate, resulting in the attacker obtaining a valid certificate that can be used to impersonate trusted nodes. This only occurs when Icinga 2 is built with OpenSSL older than version 1.1.0. This issue has been patched in versions 2.12.12, 2.13.12, and 2.14.6.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
35.0%
KEV
Not listed

Published

May 27, 2025

Last Modified

December 5, 2025

Advisory Details (6)

Auto-updated Jun 11, 2026
Patch available. Sources: github_commit, github.
github Patch Available

Certificate renewal might incorrectly renew an invalid certificate · Advisory · Icinga/icinga2 · GitHub

https://github.com/Icinga/icinga2/security/advisories/GHSA-7vcf-f5v9-3wr6
github_commit Patch Available

commit 9b2c05d0cc09 (Icinga/icinga2)

Patch available: Icinga/icinga2 v2.12.12 (contains commit 9b2c05d0cc09)

https://github.com/Icinga/icinga2/commit/9b2c05d0cc09210bdeade77cf9a73859250fc48d
github_commit Patch Available

commit 9ad5683aab9e (Icinga/icinga2)

Patch available: Icinga/icinga2 v2.14.6 (contains commit 9ad5683aab9e)

https://github.com/Icinga/icinga2/commit/9ad5683aab9eb392c6737ff46c830a945c9e240f
github_commit Patch Available

commit 60f75f4a3d5c (Icinga/icinga2)

Patch available: Icinga/icinga2 v2.13.12 (contains commit 60f75f4a3d5c)

https://github.com/Icinga/icinga2/commit/60f75f4a3d5cbb234eb3694ba7e9076a1a5b8776
github_commit Patch Available

commit 4023128be42b (Icinga/icinga2)

Patch available: Icinga/icinga2 v2.15.0 (contains commit 4023128be42b)

https://github.com/Icinga/icinga2/commit/4023128be42b18a011dda71ddee9ca79955b89cb
github_commit Patch Available

commit 34c93a2542bb (Icinga/icinga2)

Patch available: Icinga/icinga2 v2.12.12 (contains commit 34c93a2542bb)

https://github.com/Icinga/icinga2/commit/34c93a2542bbe4e9886d15bc17ec929ead1aa152

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 47× 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.

  1. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-07 00:51 UTCOSV refresh
  2. 2026-07-06 16:27 UTCEPSS rescore
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  66. 2026-05-30 04:38 UTCEG score recompute
  67. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-48057?
CVE-2025-48057 is a critical vulnerability published on May 27, 2025. Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as…
When was CVE-2025-48057 disclosed?
CVE-2025-48057 was first published in the National Vulnerability Database on May 27, 2025, with the most recent update on December 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-48057 actively exploited?
CVE-2025-48057 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-48057?
CVE-2025-48057 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-48057?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-48057, 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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