How severe is CVE-2021-26969?

CVE-2021-26969 has a CVSS 3.x base score of 6.5, 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 high.

Is CVE-2021-26969 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26969?

CVE-2021-26969 affects Arubanetworks Airwave. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26969?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-26969 published?

CVE-2021-26969 was published on 2021-03-05 and last updated on 2026-06-17.

CVE-2021-26969

CVE-2021-26969 is a medium-severity vulnerability in Arubanetworks Airwave with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Arubanetworks Airwave
Published: 2021-03-05
Last modified: 2026-06-17

Description

A remote authenticated authenticated xml external entity (xxe) vulnerability was discovered in Aruba AirWave Management Platform version(s): Prior to 8.2.12.0. Due to improper restrictions on XML entities a vulnerability exists in the web-based management interface of AirWave. A successful exploit could allow an authenticated attacker to retrieve files from the local system or cause the application to consume system resources, resulting in a denial of service condition.

Frequently asked questions

What is CVE-2021-26969?: A remote authenticated authenticated xml external entity (xxe) vulnerability was discovered in Aruba AirWave Management Platform version(s): Prior to 8.2.12.0. Due to improper restrictions on XML entities a vulnerability exists in the web-based management interface of AirWave. A successful exploit could allow an authenticated attacker to retrieve files from the local system or cause the application to consume system resources, resulting in a denial of service condition.
How severe is CVE-2021-26969?: CVE-2021-26969 has a CVSS 3.x base score of 6.5, 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 high.
Is CVE-2021-26969 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26969?: CVE-2021-26969 affects Arubanetworks Airwave. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26969 published?: CVE-2021-26969 was published on 2021-03-05 and last updated on 2026-06-17.

References

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-005.txt

Affected products (1)

cpe:2.3:a:arubanetworks:airwave:*:*:*:*:*:*:*:*

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Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

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