CVE-2020-13881
HIGHCVSS 7.5/10EPSS 1.67%
Last modified
CVE-2020-13881 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.
Description
In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.
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 |
|---|---|---|
| Pam Tacplus Project | Pam Tacplus | >= 1.3.8, <= 1.5.1 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Arista | Cloudvision Portal | < 2020.1.2 |
References
- http://www.openwall.com/lists/oss-security/2020/06/08/1Mailing List, Patch, Third Party Advisory
- https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0Patch, Third Party Advisory
- https://github.com/kravietz/pam_tacplus/issues/149Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00007.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00006.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4521-1/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/06/08/1Mailing List, Patch, Third Party Advisory
- https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0Patch, Third Party Advisory
- https://github.com/kravietz/pam_tacplus/issues/149Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00007.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00006.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4521-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13881?
In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.
How severe is CVE-2020-13881?
CVE-2020-13881 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13881?
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-2020-13881?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST