High severity · published Sep 17, 2021
CVE-2021-3807
Inefficient Regular Expression Complexity in chalk/ansi-regex
7.5
CVSS
3.6%
EPSS
No
On KEV
Description
ansi-regex is vulnerable to Inefficient Regular Expression Complexity
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
chalk/ansi-regex · chalk
before 6.0.1; before 5.0.1 · source: vendor
AN
Ansi-regex · Ansi-regex Project
4.0.0 before 4.1.1; 3.0.0; 5.0.0; 6.0.0 · source: NVD
CC
Communications Cloud Native Core Policy · Oracle
1.15.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3807
Patch
https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9
Exploit
https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994
Third Party Advisory
https://security.netapp.com/advisory/ntap-20221014-0002/
Patch
https://www.oracle.com/security-alerts/cpuapr2022.html