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[email protected]CVE-2020-25648

HistoryOct 20, 2020 - 10:15 p.m.

CVE-2020-25648

2020-10-2022:15:43

CWE-770

[email protected]

web.nvd.nist.gov

230

nss

ccs messages

tls 1.3

vulnerability

denial of service

nvd

cve-2020-25648

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.5%

JSON

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

Affected configurations

Vulners

NVD

Node

mozillanssRange≤3.58

VendorProductVersionCPE
mozillanss*cpe:2.3:a:mozilla:nss:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	nss	*	cpe:2.3:a:mozilla:nss::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "nss",
    "versions": [
      {
        "version": "nss versions before 3.58",
        "status": "affected"
      }
    ]
  }
]