How severe is CVE-2020-24881?

CVE-2020-24881 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-2020-24881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24881?

CVE-2020-24881 affects Osticket. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24881?

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-2020-24881 published?

CVE-2020-24881 was published on 2020-11-02 and last updated on 2026-06-17.

CVE-2020-24881

CVE-2020-24881 is a critical-severity vulnerability in Osticket with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 73% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 73% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Osticket
Published: 2020-11-02
Last modified: 2026-06-17

Description

SSRF exists in osTicket before 1.14.3, where an attacker can add malicious file to server or perform port scanning.

Frequently asked questions

What is CVE-2020-24881?: SSRF exists in osTicket before 1.14.3, where an attacker can add malicious file to server or perform port scanning.
How severe is CVE-2020-24881?: CVE-2020-24881 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-2020-24881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24881?: CVE-2020-24881 affects Osticket. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24881?: 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-2020-24881 published?: CVE-2020-24881 was published on 2020-11-02 and last updated on 2026-06-17.

References

Affected products (1)

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

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