Critical severity · published Aug 4, 2022
CVE-2022-31132
Unauthenticated SSRF in 3rd party module "cerdic/csstidy"
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
Nextcloud Mail is an email application for the nextcloud personal cloud product. Affected versions shipped with a CSS minifier on the path `./vendor/cerdic/css-tidy/css_optimiser.php`. Access to the minifier is unrestricted and access may lead to Server-Side Request Forgery (SSRF). It is recommendet to upgrade to Mail 1.12.7 or Mail 1.13.6. Users unable to upgrade may manually delete the file located at `./vendor/cerdic/css-tidy/css_optimiser.php`
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
< 1.12.8; >= 1.13.0, < 1.13.6 · source: vendor
MA
Mail · Nextcloud
before 1.12.8; 1.13.0 before 1.13.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31132
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31132
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-24pm-rjfv-23mh
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