7.8

CVE-2021-37202: siemens nx_1980 Use After Free

CVSS: 7.8v3.1HighModified
Published 14-09-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-37202 is a high (CVSS 7.8) Use After Free vulnerability in siemens nx_1980. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-09-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The IFC adapter in affected application contains a use-after-free vulnerability that could be triggered while parsing user-supplied IFC files. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.85%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.85% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens4 products
  • nx_1980< 1984
  • nx 1980 seriesAll versions < V1984
  • solid_edge< se2021 | se2021 | se2021:maintenance_pack1 | se2021:maintenance_pack2 | se2021:maintenance_pack3 | se2021:maintenance_pack4 | se2021:maintenance_pack5 | se2021:maintenance_pack6 | se2021:maintenance_pack7
  • solid_edge_se2021_firmwareAll versions < SE2021MP8

1 vendor · 4 products

References

2 links