CVE-2023-20257
CVE-2023-20257 is a medium-severity vulnerability in Cisco Evolved Programmable Network Manager with a CVSS 3.x base score of 4.8. 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 4.8)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-24436
- Weakness: CWE-79
- Affected product: Cisco Evolved Programmable Network Manager
- Published:
- Last modified:
Description
A vulnerability in the web-based management interface of Cisco Prime Infrastructure could allow an authenticated, remote attacker to conduct cross-site scripting attacks. This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by submitting malicious input containing script or HTML content within requests that would stored within the application interface. A successful exploit could allow the attacker to conduct cross-site scripting attacks against other users of the affected application.
Frequently asked questions
- What is CVE-2023-20257?
- A vulnerability in the web-based management interface of Cisco Prime Infrastructure could allow an authenticated, remote attacker to conduct cross-site scripting attacks. This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by submitting malicious input containing script or HTML content within requests that would stored within the application interface. A successful exploit could allow the attacker to conduct cross-site scripting attacks against other users of the affected application.
- How severe is CVE-2023-20257?
- CVE-2023-20257 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-20257 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-20257?
- CVE-2023-20257 primarily affects Cisco Evolved Programmable Network Manager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-20257?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-20257 have an EU (EUVD) identifier?
- Yes. CVE-2023-20257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24436.
- When was CVE-2023-20257 published?
- CVE-2023-20257 was published on 2024-01-17 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:cisco:evolved_programmable_network_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_infrastructure:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_infrastructure:3.10.4:-:*:*:*:*:*:*
- cpe:2.3:a:cisco:prime_infrastructure:3.10.4:update_1:*:*:*:*:*:*
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- CVE-2016-1289 — Critical (CVSS 9.8): The API in Cisco Prime Infrastructure 1.2 through 3.0 and Evolved Programmable Network Manager (EPNM) 1.2 allows remote…
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