How severe is CVE-2017-3841?

CVE-2017-3841 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-3841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3841?

CVE-2017-3841 affects Cisco Secure Access Control System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3841?

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-2017-3841 published?

CVE-2017-3841 was published on 2017-02-22 and last updated on 2026-06-17.

CVE-2017-3841

CVE-2017-3841 is a high-severity vulnerability in Cisco Secure Access Control System with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Secure Access Control System
Published: 2017-02-22
Last modified: 2026-06-17

Description

A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to disclose sensitive information. More Information: CSCvc04854. Known Affected Releases: 5.8(2.5).

Frequently asked questions

What is CVE-2017-3841?: A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to disclose sensitive information. More Information: CSCvc04854. Known Affected Releases: 5.8(2.5).
How severe is CVE-2017-3841?: CVE-2017-3841 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-3841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3841?: CVE-2017-3841 affects Cisco Secure Access Control System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3841?: 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-2017-3841 published?: CVE-2017-3841 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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