RCE in Vbulletin
CVE-2020-7373
vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is the preferred CVE ID to track this vulnerability.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.450 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.450 · newest: 0.450 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/ (Exploit, Third Party Advisory)
- forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/44… (Patch, Vendor Advisory)
- seclists.org/fulldisclosure/2020/Aug/5 (Exploit, Mailing List, Third Party Advisory)
- github.com/rapid7/metasploit-framework/pull/13970 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7373?
- CVE-2020-7373 is a critical-severity vulnerability in Vbulletin, classified under Code Injection. CVSS score: 9.8/10. Published 2020-10-30.
- How severe is CVE-2020-7373?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-7373 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.