CVE-2020-11728
HIGHCVSS 7.5/10EPSS 1.59%
Last modified
CVE-2020-11728 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. EPSS estimates a 1.59% chance of exploitation in the next 30 days.
Description
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who can guess the microsecond time (and the incrementing session_id) can impersonate a session.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Davical | Andrew\'S Web Libraries | <= 0.60 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650Mailing List, Third Party Advisory
- https://gitlab.com/davical-project/awl/-/issues/19Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/04/msg00011.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4660Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956650Mailing List, Third Party Advisory
- https://gitlab.com/davical-project/awl/-/issues/19Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/04/msg00011.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4660Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-11728?
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who can guess the microsecond time (and the incrementing session_id) can impersonate a session.
How severe is CVE-2020-11728?
CVE-2020-11728 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11728?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-11728?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST