Vulnerability in Reprisesoftware Reprise License Manager
CVE-2021-44151
An issue was discovered in Reprise RLM 14.2. As the session cookies are small, an attacker can hijack any existing sessions by bruteforcing the 4 hex-character session cookie on the Windows version (the Linux version appears to have 8 characters). An attacker can obtain the static part of the cookie (cookie name) by first making a request to any page on the application (e.g., /goforms/menu) and saving the name of the cookie sent with the response. The attacker can then use the name of the cookie and try to request that same page, setting a random value for the cookie. If any user has an active session, the page should return with the authorized content, when a valid cookie value is hit.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.025 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- reprisesoftware.com/admin/rlm-admin-download.php (Product, Vendor Advisory)
- packetstormsecurity.com/files/165191/Reprise-License-Manager-14.2-Session-Hijac… (VDB Entry, Third Party Advisory)
- www.reprisesoftware.com/RELEASE_NOTES (Broken Link)
Frequently asked questions
- What is CVE-2021-44151?
- CVE-2021-44151 is a high-severity vulnerability in Reprisesoftware Reprise License Manager, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2021-12-13.
- How severe is CVE-2021-44151?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-44151 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.