CVE-2021-0265
CVE-2021-0265 is a high-severity vulnerability in Juniper Appformix with a CVSS 3.x base score of 8.1. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 10.0
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Juniper Appformix
- Published:
- Last modified:
Description
An unvalidated REST API in the AppFormix Agent of Juniper Networks AppFormix allows an unauthenticated remote attacker to execute commands as root on the host running the AppFormix Agent, when certain preconditions are performed by the attacker, thus granting the attacker full control over the environment. This issue affects: Juniper Networks AppFormix 3 versions prior to 3.1.22, 3.2.14, 3.3.0.
Frequently asked questions
- What is CVE-2021-0265?
- An unvalidated REST API in the AppFormix Agent of Juniper Networks AppFormix allows an unauthenticated remote attacker to execute commands as root on the host running the AppFormix Agent, when certain preconditions are performed by the attacker, thus granting the attacker full control over the environment. This issue affects: Juniper Networks AppFormix 3 versions prior to 3.1.22, 3.2.14, 3.3.0.
- How severe is CVE-2021-0265?
- CVE-2021-0265 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-0265 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-0265?
- CVE-2021-0265 affects Juniper Appformix. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-0265?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-0265 published?
- CVE-2021-0265 was published on 2021-04-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:juniper:appformix:*:*:*:*:*:*:*:*
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