02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: redhatA flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization.
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 93.3% of scored records. A rank, not a probability.
- NVD base score
- 7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2020-11-17 01:16Z5 YR AGO
- Last updated
- 2024-08-04 15:40Z2 YR AGO
- Reserved
- 2020-09-16
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-330Use of Insufficiently Random ValuesClass
- Data version
- 5.1
- Document digest
- 2860728937a97710d865e8ee4405bdb2142e2025afeda0842a7ef6b641c44bb4
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
n/aSiemens Lunux Based ProductsRUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE US: Versions 3.1.39 and later, SIMATIC NET CP 1243-7: Versions 3.1.39 and later, SIMATIC NET CP 1243-8 IRC: Versions 3.1.39 and later, SIMATIC NET CP 1542SP-1 IRC (incl. SIPLUS variants): Versions 2.0 and later, SIMATIC NET CP 1542SP-1: Versions 2.0 and later, SIMATIC NET CP 1543-1 (incl. SIPLUS variants): Versions 2.2 and later, SIMATIC NET CP 1543SP-1 (incl SIPLUS variants): Versions 2.0 and later, SIMATIC NET CP 1545-1: All versions, SINEMA Remote Connect Server: All versions prior to v3.0 SP1, TIM 1531 IRC (incl. SI ...[truncated*]—