How severe is CVE-2020-19111?

CVE-2020-19111 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-19111 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19111?

CVE-2020-19111 affects Projectworlds Online Book Store Project In Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19111?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-19111 published?

CVE-2020-19111 was published on 2021-05-06 and last updated on 2026-06-17.

CVE-2020-19111

CVE-2020-19111 is a critical-severity vulnerability in Projectworlds Online Book Store Project In Php with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Projectworlds Online Book Store Project In Php
Published: 2021-05-06
Last modified: 2026-06-17

Description

Incorrect Access Control vulnerability in Online Book Store v1.0 via admin_verify.php, which could let a remote mailicious user bypass authentication and obtain sensitive information.

Frequently asked questions

What is CVE-2020-19111?: Incorrect Access Control vulnerability in Online Book Store v1.0 via admin_verify.php, which could let a remote mailicious user bypass authentication and obtain sensitive information.
How severe is CVE-2020-19111?: CVE-2020-19111 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-19111 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19111?: CVE-2020-19111 affects Projectworlds Online Book Store Project In Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19111?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-19111 published?: CVE-2020-19111 was published on 2021-05-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectworlds:online_book_store_project_in_php:1.0:*:*:*:*:*:*:*

More vulnerabilities in Projectworlds Online Book Store Project In Php

CVE-2021-43155 — Critical (CVSS 9.8): Projectsworlds Online Book Store PHP v1.0 is vulnerable to SQL injection via the "bookisbn" parameter in cart.php.
CVE-2020-19114 — Critical (CVSS 9.8): SQL Injection vulnerability in Online Book Store v1.0 via the publisher parameter to edit_book.php, which could let a…
CVE-2020-19113 — Critical (CVSS 9.8): Arbitrary File Upload vulnerability in Online Book Store v1.0 in admin_add.php, which may lead to remote code execution.
CVE-2020-19112 — Critical (CVSS 9.8): SQL Injection vulnerability in Online Book Store v1.0 via the bookisbn parameter to admin_delete.php, which could let a…
CVE-2020-19110 — Critical (CVSS 9.8): SQL Injection vulnerability in Online Book Store v1.0 via the bookisbn parameter to book.php parameter, which could let…
CVE-2020-19109 — Critical (CVSS 9.8): SQL Injection vulnerability in Online Book Store v1.0 via the bookisbn parameter to admin_edit.php, which could let a…

All CVEs affecting Projectworlds Online Book Store Project In Php →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →