How severe is CVE-2021-34707?

CVE-2021-34707 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-34707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34707?

CVE-2021-34707 affects Cisco Evolved Programmable Network Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34707?

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

When was CVE-2021-34707 published?

CVE-2021-34707 was published on 2021-08-04 and last updated on 2026-06-17.

CVE-2021-34707

CVE-2021-34707 is a medium-severity vulnerability in Cisco Evolved Programmable Network Manager 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Evolved Programmable Network Manager
Published: 2021-08-04
Last modified: 2026-06-17

Description

A vulnerability in the REST API of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to access sensitive data on an affected system. This vulnerability exists because the application does not sufficiently protect sensitive data when responding to an API request. An attacker could exploit the vulnerability by sending a specific API request to the affected application. A successful exploit could allow the attacker to obtain sensitive information about the application.

Frequently asked questions

What is CVE-2021-34707?: A vulnerability in the REST API of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to access sensitive data on an affected system. This vulnerability exists because the application does not sufficiently protect sensitive data when responding to an API request. An attacker could exploit the vulnerability by sending a specific API request to the affected application. A successful exploit could allow the attacker to obtain sensitive information about the application.
How severe is CVE-2021-34707?: CVE-2021-34707 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-34707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34707?: CVE-2021-34707 affects Cisco Evolved Programmable Network Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34707?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34707 published?: CVE-2021-34707 was published on 2021-08-04 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-info-disc-PjTZ5r6C

Affected products (1)

cpe:2.3:a:cisco:evolved_programmable_network_manager:*:*:*:*:*:*:*:*

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