CVE-2019-7550
CVE-2019-7550 is a medium-severity vulnerability in Jforum with a CVSS 3.x base score of 5.3. 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-209.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-209
- Affected product: Jforum
- Published:
- Last modified:
Description
In JForum 2.1.8, an unauthenticated, remote attacker can enumerate whether a user exists by using the "create user" function. If a register/check/username?username= request corresponds to a username that exists, then an "is already in use" error is produced. NOTE: this product is discontinued.
Frequently asked questions
- What is CVE-2019-7550?
- In JForum 2.1.8, an unauthenticated, remote attacker can enumerate whether a user exists by using the "create user" function. If a register/check/username?username= request corresponds to a username that exists, then an "is already in use" error is produced. NOTE: this product is discontinued.
- How severe is CVE-2019-7550?
- CVE-2019-7550 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2019-7550 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-7550?
- CVE-2019-7550 affects Jforum. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-7550?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-7550 published?
- CVE-2019-7550 was published on 2019-02-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jforum:jforum:2.1.8:*:*:*:*:*:*:*
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