Vulnerability in Opensource-Socialnetwork Open Source Social Network
CVE-2020-10560
An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.038 (89.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- techanarchy.net/blog/cve-2020-10560-ossn-arbitrary-file-read (Exploit, Third Party Advisory)
- github.com/LucidUnicorn/CVE-2020-10560-Key-Recovery (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10560?
- CVE-2020-10560 is a medium-severity vulnerability in Opensource-Socialnetwork Open Source Social Network, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.9/10. Published 2020-03-30.
- How severe is CVE-2020-10560?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2020-10560 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.