Auth bypass in Sympa
CVE-2020-29668
Sympa before 6.2.59b.2 allows remote attackers to obtain full SOAP API access by sending any arbitrary string (except one from an expired cookie) as the cookie value to authenticateAndRun.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: +0.000
Affected products
- Sympa — versions 6.2.59
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
References
- github.com/sympa-community/sympa/issues/1041 (Exploit, Patch, Third Party Advisory)
- github.com/sympa-community/sympa/pull/1044 (Patch, Third Party Advisory)
- github.com/sympa-community/sympa/blob/6.2.59b.2/NEWS.md (Third Party Advisory, Release Notes)
- bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4818 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-29668?
- CVE-2020-29668 is a low-severity vulnerability in Sympa, classified under Improper Authentication. CVSS score: 3.7/10. Published 2020-12-10.
- How severe is CVE-2020-29668?
- Low severity. CVSS v3 base score is 3.7 out of 10.