How severe is CVE-2021-35201?

CVE-2021-35201 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-35201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35201?

CVE-2021-35201 affects Netscout Ngeniusone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35201?

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

When was CVE-2021-35201 published?

CVE-2021-35201 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2021-35201

CVE-2021-35201 is a medium-severity vulnerability in Netscout Ngeniusone 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: 4.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Netscout Ngeniusone
Published: 2021-09-30
Last modified: 2026-06-17

Description

NEI in NETSCOUT nGeniusONE 6.3.0 build 1196 allows XML External Entity (XXE) attacks.

Frequently asked questions

What is CVE-2021-35201?: NEI in NETSCOUT nGeniusONE 6.3.0 build 1196 allows XML External Entity (XXE) attacks.
How severe is CVE-2021-35201?: CVE-2021-35201 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-35201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35201?: CVE-2021-35201 affects Netscout Ngeniusone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35201?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35201 published?: CVE-2021-35201 was published on 2021-09-30 and last updated on 2026-06-17.

References

https://www.netscout.com/securityadvisories

Affected products (1)

cpe:2.3:a:netscout:ngeniusone:6.3.0:*:*:*:*:*:*:*

More vulnerabilities in Netscout Ngeniusone

CVE-2025-32985 — Critical (CVSS 9.8): NETSCOUT nGeniusONE before 6.4.0 b2350 has Hardcoded Credentials that can be obtained from JAR files.
CVE-2023-26999 — Critical (CVSS 9.8): An issue found in NetScout nGeniusOne v.6.3.4 allows a remote attacker to execute arbitrary code and cause a denial of…
CVE-2021-45983 — Critical (CVSS 9.8): NetScout nGeniusONE 6.3.2 allows Java RMI Code Execution.
CVE-2021-45981 — Critical (CVSS 9.8): NetScout nGeniusONE 6.3.2 allows an XML External Entity (XXE) attack.
CVE-2022-44715 — High (CVSS 8.8): Improper File Permissions in NetScout nGeniusONE 6.3.2 build 904 allows authenticated remote users to gain permissions…
CVE-2021-45982 — High (CVSS 8.8): NetScout nGeniusONE 6.3.2 allows Arbitrary File Upload by a privileged user.

All CVEs affecting Netscout Ngeniusone →

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…

Browse all CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities →