What is CVE-2020-17496?

CVE-2020-17496 is a vulnerability in N/a. Published 2020-08-12.

Is CVE-2020-17496 known to be exploited?

Yes. CVE-2020-17496 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 20 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2020-17496

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.

EPSS: 0.942 (99.9th percentile) — read the EPSS interpretation.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cwe.mitre.org/data/definitions/78.html (x_refsource_MISC)
blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/ (x_refsource_MISC)
forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/44… (x_refsource_MISC)
seclists.org/fulldisclosure/2020/Aug/5 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17496?: CVE-2020-17496 is a vulnerability in N/a. Published 2020-08-12.
Is CVE-2020-17496 known to be exploited?: Yes. CVE-2020-17496 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 20 public proof-of-concept repositories are indexed.