Medtronic MMT 508 improper authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as very critical has been found in Medtronic MMT 508, MMT 522, MMT 722, MMT 523, MMT 723, MMT 523K, MMT 723K, MMT 551, MMT 751 and MMT 530G. Affected by this vulnerability is an unknown functionality. Such manipulation leads to improper authentication. This vulnerability is traded as CVE-2018-14781. The attack can be executed directly on the physical device. There is no exploit available. This vulnerability is historically impactful due to its background and the reception it garnered.

Detailsinfo

A vulnerability was found in Medtronic MMT 508, MMT 522, MMT 722, MMT 523, MMT 723, MMT 523K, MMT 723K, MMT 551, MMT 751 and MMT 530G. It has been rated as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Medtronic MMT 508 MiniMed insulin pump, 522 / MMT - 722 Paradigm REAL-TIME, 523 / MMT - 723 Paradigm Revel, 523K / MMT - 723K Paradigm Revel, and 551 / MMT - 751 MiniMed 530G The models identified above, when paired with a remote controller and having the "easy bolus" and "remote bolus" options enabled (non-default), are vulnerable to a capture-replay attack. An attacker can capture the wireless transmissions between the remote controller and the pump and replay them to cause an insulin (bolus) delivery.

The bug was discovered 08/07/2018. The weakness was shared 08/13/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2018-14781 since 08/01/2018. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/22/2025). This vulnerability has a historic impact due to its background and reception.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2018-6665) and SecurityFocus (BID 105044†). The entry VDB-122796 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2018 🔍
08/07/2018 +6 days 🔍
08/07/2018 +0 days 🔍
08/13/2018 +5 days 🔍
08/13/2018 +0 days 🔍
08/14/2018 +1 days 🔍
05/22/2025 +2473 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2018-14781 (🔍)
GCVE (CVE): GCVE-0-2018-14781
GCVE (VulDB): GCVE-100-122804
EUVD: 🔍
SecurityFocus: 105044 - Multiple Medtronic Isulin Pumps Authentication Bypass and Information Disclosure Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/14/2018 06:42
Updated: 05/22/2025 20:26
Changes: 08/14/2018 06:42 (59), 03/15/2020 09:42 (3), 05/22/2025 20:09 (28), 05/22/2025 20:26 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!