How severe is CVE-2021-41765?

CVE-2021-41765 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-2021-41765 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41765?

CVE-2021-41765 primarily affects Montala Resourcespace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-41765?

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-2021-41765 published?

CVE-2021-41765 was published on 2021-11-15 and last updated on 2026-06-17.

CVE-2021-41765

CVE-2021-41765 is a critical-severity vulnerability in Montala Resourcespace with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 68% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 68% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Montala Resourcespace
Published: 2021-11-15
Last modified: 2026-06-17

Description

A SQL injection issue in pages/edit_fields/9_ajax/add_keyword.php of ResourceSpace 9.5 and 9.6 < rev 18274 allows remote unauthenticated attackers to execute arbitrary SQL commands via the k parameter. This allows attackers to uncover the full contents of the ResourceSpace database, including user session cookies. An attacker who gets an admin user session cookie can use the session cookie to execute arbitrary code on the server.

Frequently asked questions

What is CVE-2021-41765?: A SQL injection issue in pages/edit_fields/9_ajax/add_keyword.php of ResourceSpace 9.5 and 9.6 < rev 18274 allows remote unauthenticated attackers to execute arbitrary SQL commands via the k parameter. This allows attackers to uncover the full contents of the ResourceSpace database, including user session cookies. An attacker who gets an admin user session cookie can use the session cookie to execute arbitrary code on the server.
How severe is CVE-2021-41765?: CVE-2021-41765 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-2021-41765 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41765?: CVE-2021-41765 primarily affects Montala Resourcespace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-41765?: 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-2021-41765 published?: CVE-2021-41765 was published on 2021-11-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:montala:resourcespace:9.5:*:*:*:*:*:*:*
cpe:2.3:a:montala:resourcespace:9.6:*:*:*:*:*:*:*

More vulnerabilities in Montala Resourcespace

CVE-2021-41950 — Critical (CVSS 9.1): A directory traversal issue in ResourceSpace 9.6 before 9.6 rev 18277 allows remote unauthenticated attackers to delete…
CVE-2019-25662 — High (CVSS 8.2): ResourceSpace 8.6 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary…
CVE-2015-6915 — High (CVSS 7.5): SQL injection vulnerability in Montala Limited ResourceSpace 7.3.7009 and earlier allows remote attackers to execute…
CVE-2015-3648 — High (CVSS 7.5): Directory traversal vulnerability in pages/setup.php in Montala Limited ResourceSpace before 7.2.6727 allows remote…
CVE-2019-25693 — High (CVSS 7.1): ResourceSpace 8.6 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL…
CVE-2022-31260 — Medium (CVSS 6.5): In Montala ResourceSpace through 9.8 before r19636, csv_export_results_metadata.php allows attackers to export…

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