How severe is CVE-2023-20208?

CVE-2023-20208 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-20208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20208?

CVE-2023-20208 primarily affects Cisco Identity Services Engine. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20208?

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

When was CVE-2023-20208 published?

CVE-2023-20208 was published on 2023-11-21 and last updated on 2026-06-17.

CVE-2023-20208

CVE-2023-20208 is a medium-severity vulnerability in Cisco Identity Services Engine with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Identity Services Engine
Published: 2023-11-21
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct an XSS attack against a user of the web-based management interface of an affected device.

Frequently asked questions

What is CVE-2023-20208?: A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct an XSS attack against a user of the web-based management interface of an affected device.
How severe is CVE-2023-20208?: CVE-2023-20208 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-20208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20208?: CVE-2023-20208 primarily affects Cisco Identity Services Engine. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20208?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20208 published?: CVE-2023-20208 was published on 2023-11-21 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-mult-j-KxpNynR

Affected products (15)

cpe:2.3:a:cisco:identity_services_engine:3.0.0:-:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch1:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch2:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch3:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch4:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch5:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch6:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch7:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:-:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:patch1:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:patch2:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:patch3:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:patch4:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.1:patch5:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:3.2:-:*:*:*:*:*:*

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