CVE-2020-10560
CVE-2020-10560 is a medium-severity vulnerability in Opensource-socialnetwork Open Source Social Network with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-338.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-338
- Affected product: Opensource-socialnetwork Open Source Social Network
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-10560?
- CVE-2020-10560 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-10560 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-10560?
- CVE-2020-10560 affects Opensource-socialnetwork Open Source Social Network. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-10560?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-10560 published?
- CVE-2020-10560 was published on 2020-03-30 and last updated on 2026-06-17.
References
- https://github.com/LucidUnicorn/CVE-2020-10560-Key-Recovery
- https://techanarchy.net/blog/cve-2020-10560-ossn-arbitrary-file-read
Affected products (1)
- cpe:2.3:a:opensource-socialnetwork:open_source_social_network:*:*:*:*:*:*:*:*
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