Vulnerability Details : 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 interface.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-31520
- cpe:2.3:a:trendmicro:im_security:1.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:trendmicro:im_security:1.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31520
1.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31520
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2021-31520
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31520
-
https://success.trendmicro.com/solution/000286439
Patch;Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-525/
ZDI-21-525 | Zero Day InitiativeThird Party Advisory;VDB Entry
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