How severe is CVE-2020-24917?

CVE-2020-24917 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-24917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24917?

CVE-2020-24917 affects Osticket. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24917?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-24917 published?

CVE-2020-24917 was published on 2020-08-30 and last updated on 2026-06-17.

CVE-2020-24917

CVE-2020-24917 is a medium-severity vulnerability in Osticket with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Osticket
Published: 2020-08-30
Last modified: 2026-06-17

Description

osTicket before 1.14.3 allows XSS via a crafted filename to DraftAjaxAPI::_uploadInlineImage() in include/ajax.draft.php.

Frequently asked questions

What is CVE-2020-24917?: osTicket before 1.14.3 allows XSS via a crafted filename to DraftAjaxAPI::_uploadInlineImage() in include/ajax.draft.php.
How severe is CVE-2020-24917?: CVE-2020-24917 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-24917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24917?: CVE-2020-24917 affects Osticket. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24917 published?: CVE-2020-24917 was published on 2020-08-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:osticket:osticket:*:*:*:*:*:*:*:*

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CVE-2020-24881 — Critical (CVSS 9.8): SSRF exists in osTicket before 1.14.3, where an attacker can add malicious file to server or perform port scanning.
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CVE-2018-7195 — High (CVSS 8.1): Enhancesoft osTicket before 1.10.2 allows remote attackers to reset arbitrary passwords (when an associated e-mail…
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