CVE-2017-7902
CVSS V2 Medium 5
CVSS V3 Critical 9.8
Description
A "Reusing a Nonce, Key Pair in Encryption" issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series A and B, Version 16.00 and prior versions; and 1763-L16DWD, Series A and B, Version 16.00 and prior versions and Allen-Bradley MicroLogix 1400 programmable logic controllers 1766-L32AWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWAA, Series A and B, Version 16.00 and prior versions; 1766-L32BXB, Series A and B, Version 16.00 and prior versions; 1766-L32BXBA, Series A and B, Version 16.00 and prior versions; and 1766-L32AWAA, Series A and B, Version 16.00 and prior versions. The affected product reuses nonces, which may allow an attacker to capture and replay a valid request until the nonce is changed.
Overview
- CVE ID
- CVE-2017-7902
- Assigner
- ics-cert@hq.dhs.gov
- Vulnerability Status
- Modified
- Published Version
- 2017-06-30T03:29:00
- Last Modified Date
- 2019-10-09T23:29:55
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:rockwellautomation:1763-l16awa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16awa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16bbb_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16bbb_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16bwa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16bwa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16dwd_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1763-l16dwd_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:rockwellautomation:1766-l32awa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32awa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32awaa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32awaa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bwa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bwa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bwaa_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bwaa_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bxb_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bxb_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bxba_series_a:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:a:rockwellautomation:1766-l32bxba_series_b:*:*:*:*:*:*:*:* | 1 | OR | 16.000 | |
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1400:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04 | Patch Third Party Advisory US Government Resource |
| http://www.securitytracker.com/id/1038546 | Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-7902 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7902 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:08:32 | Added to TrackCVE | |||
| 2022-12-02 18:12:29 | 2017-06-30T03:29Z | 2017-06-30T03:29:00 | CVE Published Date | updated |
| 2022-12-02 18:12:29 | 2019-10-09T23:29:55 | CVE Modified Date | updated | |
| 2022-12-02 18:12:29 | Modified | Vulnerability Status | updated |