How severe is CVE-2020-13993?

CVE-2020-13993 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-13993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13993?

CVE-2020-13993 affects Mods-for-hesk Mods For Hesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13993?

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

When was CVE-2020-13993 published?

CVE-2020-13993 was published on 2020-07-09 and last updated on 2026-06-17.

CVE-2020-13993

CVE-2020-13993 is a high-severity vulnerability in Mods-for-hesk Mods For Hesk with a CVSS 3.x base score of 7.5. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Mods-for-hesk Mods For Hesk
Published: 2020-07-09
Last modified: 2026-06-17

Description

An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A blind time-based SQL injection issue allows remote unauthenticated attackers to retrieve information from the database via a ticket.

Frequently asked questions

What is CVE-2020-13993?: An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A blind time-based SQL injection issue allows remote unauthenticated attackers to retrieve information from the database via a ticket.
How severe is CVE-2020-13993?: CVE-2020-13993 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-13993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13993?: CVE-2020-13993 affects Mods-for-hesk Mods For Hesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13993?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13993 published?: CVE-2020-13993 was published on 2020-07-09 and last updated on 2026-06-17.

References

https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise/

Affected products (1)

cpe:2.3:a:mods-for-hesk:mods_for_hesk:*:*:*:*:*:*:*:*

More vulnerabilities in Mods-for-hesk Mods For Hesk

CVE-2020-13994 — High (CVSS 8.8): An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A privileged user can achieve code execution on the…
CVE-2020-13992 — Medium (CVSS 6.1): An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A Stored XSS issue allows remote unauthenticated…

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