CVE-2019-1903

CVE-2019-1903 is a medium-severity vulnerability in Cisco Security Manager with a CVSS 3.x base score of 6.5. 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-611.

Key facts

Description

A vulnerability in Cisco Security Manager could allow an unauthenticated, remote attacker to access sensitive information or cause a denial of service (DoS) condition. The vulnerability is due to improper restrictions on XML entities. An attacker could exploit this vulnerability by sending malicious requests to a targeted system that contain references within XML entities. An exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the application to consume available resources, resulting in a DoS condition.

Frequently asked questions

What is CVE-2019-1903?
A vulnerability in Cisco Security Manager could allow an unauthenticated, remote attacker to access sensitive information or cause a denial of service (DoS) condition. The vulnerability is due to improper restrictions on XML entities. An attacker could exploit this vulnerability by sending malicious requests to a targeted system that contain references within XML entities. An exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the application to consume available resources, resulting in a DoS condition.
How severe is CVE-2019-1903?
CVE-2019-1903 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2019-1903 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1903?
CVE-2019-1903 affects Cisco Security Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-1903?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-1903 published?
CVE-2019-1903 was published on 2019-06-20 and last updated on 2026-06-17.

References

Affected products (1)

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