What is the CVSS score of CVE-2021-28901?

CVE-2021-28901 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2021-28901?

Yes, a public proof-of-concept exploit is available for CVE-2021-28901. Prioritise patching immediately. EPSS: 0.8%.

Azurcms CVE-2021-28901

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-09-15 cve@mitre.org

XSS Azurcms

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Sep 15, 2021 - 18:15 nvd

MEDIUM 5.4

DescriptionNVD

Multiple cross-site scripting (XSS) vulnerabilities exist in SITA Software Azur CMS 1.2.3.1 and earlier, which allows remote attackers to inject arbitrary web script or HTML via the (1) NOM_CLI , (2) ADRESSE , (3) ADRESSE2, (4) LOCALITE parameters to /eshop/products/json/aouCustomerAdresse; and the (5) nom_liste parameter to /eshop/products/json/addCustomerFavorite.

AnalysisAI

Multiple cross-site scripting (XSS) vulnerabilities exist in SITA Software Azur CMS 1.2.3.1 and earlier, which allows remote attackers to inject arbitrary web script or HTML via the (1) NOM_CLI , (2). Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Multiple cross-site scripting (XSS) vulnerabilities exist in SITA Software Azur CMS 1.2.3.1 and earlier, which allows remote attackers to inject arbitrary web script or HTML via the (1) NOM_CLI , (2) ADRESSE , (3) ADRESSE2, (4) LOCALITE parameters to /eshop/products/json/aouCustomerAdresse; and the (5) nom_liste parameter to /eshop/products/json/addCustomerFavorite. Affected products include: Sitasoftware Azurcms.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.