Vulnerability in Microsoft Windows
CVE-2021-46702
Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure. This could allow local attackers to bypass the intended anonymity feature and obtain information regarding the onion services visited by a local user. This can be accomplished by analyzing RAM memory even several hours after the local user used the product. This occurs because the product doesn't properly free memory.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Microsoft Windows
- Torproject Tor — versions 9.0.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.sciencedirect.com/science/article/pii/S0167404821001358 (Technical Description, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46702?
- CVE-2021-46702 is a medium-severity vulnerability in Microsoft Windows, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2022-02-26.
- How severe is CVE-2021-46702?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-46702 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.