Vulnerability CVE-2021-1495

Vulnerability Name:

CVE-2021-1495 (CCN-200937)

Assigned:

2020-11-13

Published:

2021-04-28

Updated:

2023-05-22

Summary:

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

5.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N)
5.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-1495

Source: XF
Type: UNKNOWN
cisco-cve20211495-sec-bypass(200937)

Source: ykramarz@cisco.com
Type: UNKNOWN
ykramarz@cisco.com

Source: CCN
Type: Cisco Security Advisory cisco-sa-http-fp-bp-KfDdcQhc
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability

Source: ykramarz@cisco.com
Type: Vendor Advisory
ykramarz@cisco.com

Source: ykramarz@cisco.com
Type: UNKNOWN
ykramarz@cisco.com

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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