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cve[email protected]CVE-2021-28041
HistoryMar 05, 2021 - 9:15 p.m.

CVE-2021-28041

2021-03-0521:15:00
CWE-415
web.nvd.nist.gov
10338
14
cve-2021-28041
ssh-agent
openssh
security vulnerability
double free
agent-socket access
attacker-controlled host
nvd

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

0.002 Low

EPSS

Percentile

55.2%

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

Social References

More

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

0.002 Low

EPSS

Percentile

55.2%