CVE-2023-49880

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-12-25. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

In the Message Entry and Repair (MER) facility of IBM Financial Transaction Manager for SWIFT Services 3.2.4 the sending address and the message type of FIN messages are assumed to be immutable. However, an attacker might modify these elements of a business transaction. IBM X-Force ID: 273183.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: Track

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
Severity75% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

December 25, 2023

Last Modified

June 17, 2026

References (4)

Data Freshness Timeline

(refreshed 9× in last 7d / 44× 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 122 total refreshes for this CVE.

  1. 2026-08-07 16:25 UTCEPSS rescore
  2. 2026-08-06 13:45 UTCEPSS rescore
  3. 2026-08-05 19:15 UTCEPSS rescore
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  21. 2026-07-23 14:16 UTCEPSS rescore
  22. 2026-07-23 02:28 UTCEG score recompute
  23. 2026-07-22 23:15 UTCEG score recompute
  24. 2026-07-22 14:06 UTCEPSS rescore
  25. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-07-21 15:23 UTCEPSS rescore
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  23. 2026-07-06 16:26 UTCEPSS rescore
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  25. 2026-07-06 02:22 UTCEPSS rescore
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  31. 2026-06-30 23:21 UTCEPSS rescore
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  46. 2026-06-21 14:55 UTCEPSS rescore
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  48. 2026-06-21 01:58 UTCEPSS rescore
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  50. 2026-06-19 19:24 UTCEPSS rescore
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  52. 2026-06-18 17:51 UTCEPSS rescore
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  60. 2026-06-12 23:11 UTCEPSS rescore
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  65. 2026-06-08 14:16 UTCEPSS rescore
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  67. 2026-06-07 15:24 UTCEPSS rescore
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  69. 2026-06-06 13:46 UTCEPSS rescore
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  71. 2026-06-05 22:46 UTCEPSS rescore
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  73. 2026-06-05 06:09 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-49880?
CVE-2023-49880 is a high vulnerability published on December 25, 2023. In the Message Entry and Repair (MER) facility of IBM Financial Transaction Manager for SWIFT Services 3.2.4 the sending address and the message type of FIN messages are assumed to be immutable. However, an attacker might modify these elements of a business transaction. IBM X-Force ID: 273183.
When was CVE-2023-49880 disclosed?
CVE-2023-49880 was first published in the National Vulnerability Database on December 25, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-49880 actively exploited?
CVE-2023-49880 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.5% of all scored CVEs.
What is the CVSS score of CVE-2023-49880?
CVE-2023-49880 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-49880?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49880, 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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