CVE-2013-6945 — The M2M Broker in OSEHRA VistA, as distributed before September 30, 2013, allows attackers to bypass authentication and authorization to perform doctor-only actions and read or modify patient records via unspecified vectors related to a "logic flaw."

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HIGH

The M2M Broker in OSEHRA VistA, as distributed before September 30, 2013, allows attackers to bypass authentication and authorization to perform doctor-only actions and read or modify patient records via unspecified vectors related to a "logic flaw."

Published Dec 4, 2013

7.5

HIGH

CVSS 2.0

EPSS 1.38%

Description

The M2M Broker in OSEHRA VistA, as distributed before September 30, 2013, allows attackers to bypass authentication and authorization to perform doctor-only actions and read or modify patient records via unspecified vectors related to a "logic flaw."

Affected products

Remediation

No remediation recorded yet.

Metrics

1.38% 0.01377

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01377

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.38% (0.01377)	71.06th	v5 (v2026.06.15)
Jun 15, 2026	1.38% (0.01377)	68.40th	v5 (v2026.06.15)
Mar 17, 2025	0.38% (0.00382)	57.49th	v4 (v2025.03.14)
Dec 12, 2024	0.15% (0.00153)	52.92th	v3 (v2023.03.01)
Mar 15, 2024	0.11% (0.00109)	42.61th	v3 (v2023.03.01)
Feb 8, 2024	0.10% (0.00101)	40.16th	v3 (v2023.03.01)
Mar 7, 2023	0.15% (0.00153)	49.67th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00954)	36.37th	v2 (v2022.01.01)
Sep 2, 2022	0.95% (0.00954)	34.50th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00954)	32.50th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00954)	16.28th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (3)

http://www.darkreading.com/vulnerability/anatomy-of-an-electronic-health-record-e/240164441/
x_refsource_MISC
http://www.osehra.org/blog/m2m-broker-security-patch
x_refsource_CONFIRMPatch
http://www.osehra.org/blog/vista-patch-available-osehra
x_refsource_CONFIRM

Link	Providers	Tags
http://www.darkreading.com/vulnerability/anatomy-of-an-electronic-health-record-e/240164441/		x_refsource_MISC
http://www.osehra.org/blog/m2m-broker-security-patch		x_refsource_CONFIRMPatch
http://www.osehra.org/blog/vista-patch-available-osehra		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 4, 2013

Updated Sep 17, 2024

Reserved Dec 4, 2013

Link CVE-2013-6945

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2013-6945

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-6945