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cvelistRedhatCVELIST:CVE-2020-25648
HistoryOct 20, 2020 - 12:00 a.m.

CVE-2020-25648

2020-10-2000:00:00
CWE-770
redhat
www.cve.org
7
nss
changecipherspec
tls 1.3
denial of service
system availability

AI Score

7.2

Confidence

High

EPSS

0.008

Percentile

82.1%

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.

CNA Affected

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

References