How severe is CVE-2017-3838?

CVE-2017-3838 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-3838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3838?

CVE-2017-3838 affects Cisco Secure Access Control System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3838?

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

When was CVE-2017-3838 published?

CVE-2017-3838 was published on 2017-02-22 and last updated on 2026-06-17.

CVE-2017-3838

CVE-2017-3838 is a medium-severity vulnerability in Cisco Secure Access Control System with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Secure Access Control System
Published: 2017-02-22
Last modified: 2026-06-17

Description

A vulnerability in Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to conduct a DOM-based cross-site scripting (XSS) attack against the user of the web interface of the affected system. More Information: CSCvc04838. Known Affected Releases: 5.8(2.5).

Frequently asked questions

What is CVE-2017-3838?: A vulnerability in Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to conduct a DOM-based cross-site scripting (XSS) attack against the user of the web interface of the affected system. More Information: CSCvc04838. Known Affected Releases: 5.8(2.5).
How severe is CVE-2017-3838?: CVE-2017-3838 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-3838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3838?: CVE-2017-3838 affects Cisco Secure Access Control System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3838 published?: CVE-2017-3838 was published on 2017-02-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:secure_access_control_system:5.8\(2.5\):*:*:*:*:*:*:*

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