CVE-2021-31520
A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A weak session token authentication bypass vulnerability in Trend Micro IM Security 1.6 and 1.6.5 could allow an remote attacker to guess currently logged-in administrators' session session token in order to gain access to the product's web management interface.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.90% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- trendmicro/im security
- Source
- security@trendmicro.com
References
- https://success.trendmicro.com/solution/000286439Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party Advisory, VDB Entry
- https://success.trendmicro.com/solution/000286439Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-525/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.