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Osticket CVE-2023-30082

HIGH
Improper Validation of Specified Quantity in Input (CWE-1284)
2023-06-14 cve@mitre.org
7.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V2 - Validation and Business Logic Input size validation
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

A denial of service attack might be launched against the server if an unusually lengthy password (more than 10000000 characters) is supplied using the osTicket application. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-1284. A denial of service attack might be launched against the server if an unusually lengthy password (more than 10000000 characters) is supplied using the osTicket application. This can cause the website to go down or stop responding. When a long password is entered, this procedure will consume all available CPU and memory. Affected products include: Enhancesoft Osticket.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

A denial of service attack might be launched against the server if an unusually lengthy password (more than 10000000 characters) is supplied using the osTicket application. This can cause the website to go down or stop responding. When a long password is entered, this procedure will consume all available CPU and memory.

Threat Intelligence Overview

EPSS Score
1.0%
Top 41% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 1.0%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:enhancesoft:osticket:1.17.2:*:*:*:*:*:*:*
CVE-2020-24881 CRITICAL POC
9.8 Nov 02

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

CVE-2017-15580 CRITICAL POC
9.8 Oct 23

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. Rated critical severity (CVSS 9

CVE-2026-22200 HIGH POC
8.7 Jan 12

Arbitrary local file read in Enhancesoft osTicket 1.18.x (before 1.18.3) and 1.17.x (before 1.17.7) lets a remote unauth

CVE-2019-14749 HIGH POC
8.8 Aug 07

An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. Rated high severity (CVSS 8.8), this vulnera

CVE-2017-14396 CRITICAL POC
9.8 Sep 12

In osTicket before 1.10.1, SQL injection is possible by constructing an array via use of square brackets at the end of a

CVE-2019-14750 MEDIUM POC
6.1 Aug 07

An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. Rated medium severity (CVSS 6.1), this vulne

CVE-2018-7195 HIGH POC
8.1 Mar 27

Enhancesoft osTicket before 1.10.2 allows remote attackers to reset arbitrary passwords (when an associated e-mail addre

CVE-2021-45811 MEDIUM POC
6.5 Sep 08

A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket 1.15.x allows authenticate

CVE-2019-11537 MEDIUM POC
6.1 Apr 25

In osTicket before 1.12, XSS exists via /upload/file.php, /upload/scp/users.php?do=import-users, and /upload/scp/ajax.ph

CVE-2018-7196 MEDIUM POC
6.1 Mar 27

Cross-site scripting (XSS) vulnerability in /scp/index.php in Enhancesoft osTicket before 1.10.2 allows remote attackers

CVE-2018-7193 MEDIUM POC
6.1 Mar 27

Cross-site scripting (XSS) vulnerability in /scp/directory.php in Enhancesoft osTicket before 1.10.2 allows remote attac

CVE-2025-26241 MEDIUM POC
6.5 May 05

A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket <=1.17.5 allows authentica

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