CVE-2022-32537 [Medium] | Security Bypass in Guardian Link 2 Transmitt…

A vulnerability exists which could allow an unauthorized user to learn aspects of the communication protocol used to pair system components while the pump is being paired with other system components. Exploitation requires nearby wireless signal proximity with the patient and the device; advanced technical knowledge is required for exploitation. Please refer to the Medtronic Product Security Bulletin for guidance

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.05%	0.32%	+0.27%
2	2025-08-12	0.05%	0.05%	+0.01%
3	2025-03-30	—	0.05%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.05%

0.32%

+0.27%

2025-08-12

0.05%

+0.01%

2025-03-30

—

0.05%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.8	3.1	MEDIUM	`CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:A) Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:N) Service keeps running; no real outage angle.	1.2	3.6	[email protected]
4.8	3.1	MEDIUM	`CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:A) Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:N) Service keeps running; no real outage angle.	1.2	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

4.8

3.1

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Click to expand

Attack vector (AV:A): Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N): Service keeps running; no real outage angle.

1.2

3.6

[email protected]

4.8

3.1

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N Click to expand

Attack vector (AV:A): Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N): Service keeps running; no real outage angle.

1.2

3.6

[email protected]

Affected software / configurations for CVE-2022-32537

References for CVE-2022-32537

URL	Tags
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-22-263-01
https://www.medtronic.com/en-us/e/product-security/security-bulletins/minimed-600-series-communication-issue.html
https://global.medtronic.com/xg-en/product-security/security-bulletins/minimed-600-series-communication-issue.html	Mitigation Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsma-22-263-01	Third Party Advisory US Government Resource

URL

CVE-2022-32537 | Medtronic MiniMed 600 Series Pump System Communication Issue

Exploit prediction scoring system (EPSS) score for CVE-2022-32537

Common vulnerability scoring system (CVSS) metrics for CVE-2022-32537

Weakness enumeration for CVE-2022-32537

GitHub Security Advisory for CVE-2022-32537

Affected software / configurations for CVE-2022-32537

References for CVE-2022-32537

Vendor	Product	Version	Raw CPE
medtronic	guardian_link_2_transmitter_mmt-7730_firmware	—	cpe:2.3:o:medtronic:guardian_link_2_transmitter_mmt-7730_firmware:-:::::::*
medtronic	guardian_link_2_transmitter_mmt-7731_firmware	—	cpe:2.3:o:medtronic:guardian_link_2_transmitter_mmt-7731_firmware:-:::::::*
medtronic	guardian_link_2_transmitter_mmt-7738_firmware	—	cpe:2.3:o:medtronic:guardian_link_2_transmitter_mmt-7738_firmware:-:::::::*
medtronic	guardian_link_2_transmitter_mmt-7775_firmware	—	cpe:2.3:o:medtronic:guardian_link_2_transmitter_mmt-7775_firmware:-:::::::*
medtronic	guardian_link_3_transmitter_mmt-7810_firmware	—	cpe:2.3:o:medtronic:guardian_link_3_transmitter_mmt-7810_firmware:-:::::::*
medtronic	guardian_link_3_transmitter_mmt-7811_firmware	—	cpe:2.3:o:medtronic:guardian_link_3_transmitter_mmt-7811_firmware:-:::::::*
medtronic	minimed_620g_mmt-1750_firmware	—	cpe:2.3:o:medtronic:minimed_620g_mmt-1750_firmware:-:::::::*
medtronic	minimed_630g_mmt-1715_firmware	—	cpe:2.3:o:medtronic:minimed_630g_mmt-1715_firmware:-:::::::*
medtronic	minimed_630g_mmt-1754_firmware	—	cpe:2.3:o:medtronic:minimed_630g_mmt-1754_firmware:-:::::::*
medtronic	minimed_630g_mmt-1755_firmware	—	cpe:2.3:o:medtronic:minimed_630g_mmt-1755_firmware:-:::::::*
medtronic	minimed_640g_mmt-1711_firmware	—	cpe:2.3:o:medtronic:minimed_640g_mmt-1711_firmware:-:::::::*
medtronic	minimed_640g_mmt-1712_firmware	—	cpe:2.3:o:medtronic:minimed_640g_mmt-1712_firmware:-:::::::*
medtronic	minimed_640g_mmt-1751_firmware	—	cpe:2.3:o:medtronic:minimed_640g_mmt-1751_firmware:-:::::::*
medtronic	minimed_640g_mmt-1752_firmware	—	cpe:2.3:o:medtronic:minimed_640g_mmt-1752_firmware:-:::::::*
medtronic	minimed_670g_mmt-1740_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1740_firmware:-:::::::*
medtronic	minimed_670g_mmt-1741_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1741_firmware:-:::::::*
medtronic	minimed_670g_mmt-1742_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1742_firmware:-:::::::*
medtronic	minimed_670g_mmt-1760_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1760_firmware:-:::::::*
medtronic	minimed_670g_mmt-1761_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1761_firmware:-:::::::*
medtronic	minimed_670g_mmt-1762_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1762_firmware:-:::::::*
medtronic	minimed_670g_mmt-1780_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1780_firmware:-:::::::*
medtronic	minimed_670g_mmt-1781_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1781_firmware:-:::::::*
medtronic	minimed_670g_mmt-1782_firmware	—	cpe:2.3:o:medtronic:minimed_670g_mmt-1782_firmware:-:::::::*
medtronic	mmt-1151_firmware	—	cpe:2.3:o:medtronic:mmt-1151_firmware:-:::::::*
medtronic	mmt-1152_firmware	—	cpe:2.3:o:medtronic:mmt-1152_firmware:-:::::::*
medtronic	mmt-1351_firmware	—	cpe:2.3:o:medtronic:mmt-1351_firmware:-:::::::*
medtronic	mmt-1352_firmware	—	cpe:2.3:o:medtronic:mmt-1352_firmware:-:::::::*
medtronic	mmt-7306_firmware	—	cpe:2.3:o:medtronic:mmt-7306_firmware:-:::::::*