Medium severity · published Sep 2, 2021
CVE-2021-3758
bookstack is vulnerable to Server-Side Request Forgery (SSRF)
6.5
CVSS
0.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
Bookstack · Bookstackapp
before 21.08 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3758
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3758
Patch
https://github.com/bookstackapp/bookstack/commit/bee5e2c7ca637d034c6985c0328cef0ce068778e
Exploit
https://huntr.dev/bounties/a8d7fb24-9a69-42f3-990a-2db93b53f76b
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