Vulnerability Details : CVE-2021-28090
Tor before 0.4.5.7 allows a remote attacker to cause Tor directory authorities to exit with an assertion failure, aka TROVE-2021-002.
Products affected by CVE-2021-28090
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.4.4.0:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.4.4.1:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.4.4.2:alpha:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:0.4.4.3:alpha:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28090
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28090
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-28090
-
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28090
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HPDXB2GZHG3VNOTWSXQ3QZVHNV76WCU5/
[SECURITY] Fedora 33 Update: tor-0.4.5.7-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202107-25
Tor: Multiple vulnerabilities (GLSA 202107-25) — Gentoo securityThird Party Advisory
-
https://gitlab.torproject.org/tpo/core/tor/-/issues/40316
Not FoundVendor Advisory
-
https://bugs.torproject.org/tpo/core/tor/40316
Not FoundVendor Advisory
-
https://blog.torproject.org/node/2009
New releases (with security fixes): Tor 0.3.5.14, 0.4.4.8, and 0.4.5.7 | Tor BlogRelease Notes;Vendor Advisory
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