CVE-2021-37726: arubanetworks aruba_instant Classic Buffer Overflow
CVSS: 10.0v2.0HighModified
Published 12-10-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-37726 is a high (CVSS 10.0) Classic Buffer Overflow vulnerability in arubanetworks aruba_instant. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
2.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-10-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.41%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.41% on 18-09-2026
18-09-202618-10-2026
EPSS score2.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arubanetworks1 product
- aruba_instant≥ 8.7.0.0, < 8.7.1.3
Siemens1 product
- scalance_w1750d_firmware< 8.7.1.3
2 vendors · 2 products