If left unpatched, CVE-2018-19956 could lead to major system disruptions or data loss.
Status: Analyzed
Last updated: 🕟 16 Nov 2022, 16:31 UTC
Originally published on: 🕓 02 Nov 2020, 16:15 UTC
Time between publication and last update: 744 days
CVSS Release: version 3
nvd@nist.gov
Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE-2018-19956: The cross-site scripting vulnerability has been reported to affect earlier versions of Photo Station. If exploited, the vulnerability could allow remote attackers to inject malicious code. This issue affects: QNAP Systems Inc. Photo Station versions prior to 5.7.11; versions prior to 6.0.10.
The exploitability of CVE-2018-19956 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
With low attack complexity and no required privileges, CVE-2018-19956 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
Above is the CVSS Sub-score Breakdown for CVE-2018-19956, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
Below is the Impact Analysis for CVE-2018-19956, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
EPSS Score: 0.115% (probability of exploit)
EPSS Percentile: 46.95%
(lower percentile = lower relative risk)
This vulnerability is less risky than approximately 53.05% of others.
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