CVE-2021-25157
CVE-2021-25157 is a medium-severity vulnerability in Arubanetworks Instant with a CVSS 3.x base score of 4.9. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Medium (CVSS 3.x base score 4.9)
- CVSS v2: 4.0
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Arubanetworks Instant
- Published:
- Last modified:
Description
A remote arbitrary file read vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
Frequently asked questions
- What is CVE-2021-25157?
- A remote arbitrary file read vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
- How severe is CVE-2021-25157?
- CVE-2021-25157 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-25157 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25157?
- CVE-2021-25157 primarily affects Arubanetworks Instant. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-25157?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25157 published?
- CVE-2021-25157 was published on 2021-03-30 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf
- https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt
Affected products (2)
- cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*
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