CVE-2024-8260: OPA SMB Force-Authentication
CSIRTS triage
- What
- OPA SMB authentication can be bypassed, allowing unauthenticated access to SMB shares.
- Who is affected
- Opentext OPA deployments exposing SMB access where authentication is required.
- Urgency
- High severity; authentication bypass on SMB access is a critical security failure allowing unauthorized data access.
- Action
- Apply the security patch from Opentext immediately or disable SMB access until patched.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch OPA
Get an email when a new OPA advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-8260
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2024-82600.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-8260 | coverage & exploitation status | NVD · CVE.org |
More from Microsoft Security Response Center
- highCVE-2025-40776: Birthday Attack against Resolvers supporting ECS2026-08-06
- lowCVE-2026-3632: Libsoup: libsoup: http smuggling and server-side request forgery via malformed hostnames2026-08-06
- unknownCVE-2026-58039: CVE-2026-580392026-08-06
- mediumCVE-2025-21870: ASoC: SOF: ipc4-topology: Harden loops for looking up ALH copiers2026-08-06
- mediumCVE-2026-23247: tcp: secure_seq: add back ports to TS offset2026-08-06