How severe is CVE-2023-20077?

CVE-2023-20077 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-2023-20077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20077?

CVE-2023-20077 primarily affects Cisco Identity Services Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20077?

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

When was CVE-2023-20077 published?

CVE-2023-20077 was published on 2023-05-18 and last updated on 2026-06-17.

CVE-2023-20077

CVE-2023-20077 is a medium-severity vulnerability in Cisco Identity Services Engine with a CVSS 3.x base score of 4.9. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Cisco Identity Services Engine
Published: 2023-05-18
Last modified: 2026-06-17

Description

Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to download arbitrary files from the filesystem of an affected device. These vulnerabilities are due to insufficient input validation. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to download arbitrary files from the underlying filesystem of the affected device.

Frequently asked questions

What is CVE-2023-20077?: Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to download arbitrary files from the filesystem of an affected device. These vulnerabilities are due to insufficient input validation. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to download arbitrary files from the underlying filesystem of the affected device.
How severe is CVE-2023-20077?: CVE-2023-20077 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-2023-20077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20077?: CVE-2023-20077 primarily affects Cisco Identity Services Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20077 published?: CVE-2023-20077 was published on 2023-05-18 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-file-dwnld-Srcdnkd2

Affected products (2)

cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.2:-:*:*:*:*:*:*

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