How severe is CVE-2017-12269?

CVE-2017-12269 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-12269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12269?

CVE-2017-12269 affects Cisco Spark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12269?

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

When was CVE-2017-12269 published?

CVE-2017-12269 was published on 2017-10-05 and last updated on 2026-06-17.

CVE-2017-12269

CVE-2017-12269 is a medium-severity vulnerability in Cisco Spark with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Spark
Published: 2017-10-05
Last modified: 2026-06-17

Description

A vulnerability in the web UI of Cisco Spark Messaging Software could allow an authenticated, remote attacker to perform a stored cross-site scripting (XSS) attack. The vulnerability is due to insufficient input validation by the web UI of the affected software. An attacker could exploit this vulnerability by injecting XSS content into the web UI of the affected software. A successful exploit could allow the attacker to force a user to execute code of the attacker's choosing or allow the attacker to retrieve sensitive information from the user. Cisco Bug IDs: CSCvf70587, CSCvf70592.

Frequently asked questions

What is CVE-2017-12269?: A vulnerability in the web UI of Cisco Spark Messaging Software could allow an authenticated, remote attacker to perform a stored cross-site scripting (XSS) attack. The vulnerability is due to insufficient input validation by the web UI of the affected software. An attacker could exploit this vulnerability by injecting XSS content into the web UI of the affected software. A successful exploit could allow the attacker to force a user to execute code of the attacker's choosing or allow the attacker to retrieve sensitive information from the user. Cisco Bug IDs: CSCvf70587, CSCvf70592.
How severe is CVE-2017-12269?: CVE-2017-12269 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-12269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12269?: CVE-2017-12269 affects Cisco Spark. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12269 published?: CVE-2017-12269 was published on 2017-10-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:spark:-:*:*:*:*:*:*:*

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