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CVE-2020-9369

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk...

7.5 HighFix available

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.92%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
CVE-2020-9369
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
CVE-2020-9369
Updated
2026-11-02
EUVDEUVD-2020-30190 No score

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
EUVD-2020-30190
Updated
2026-11-03
GitHub AdvisoriesGHSA-9cxv-8fwp-3hgq No score

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk...

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
GHSA-9cxv-8fwp-3hgq
Weakness
CWE-400
Updated
2026-11-02
OSV 7.5

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
CVE-2020-9369
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-9369 7.5

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
DEBIAN-CVE-2020-9369
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-9369 7.5

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters.

Record
UBUNTU-CVE-2020-9369
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2020-0146 No score

Updated sympa packages fix security vulnerability

Updated sympa packages fix security vulnerability:

Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk consumption from temporary files, and a flood of notifications to listmasters) via a series of requests with malformed parameters (CVE-2020-9369).

Record
MGASA-2020-0146
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
sympa
Debian:12
before 6.2.40~dfsg-4
6.2.40~dfsg-4
sympa
Debian:13
before 6.2.40~dfsg-4
6.2.40~dfsg-4
sympa
Debian:14
before 6.2.40~dfsg-4
6.2.40~dfsg-4
sympa
Debian:10
From an advisory covering 4 CVEs
before 6.2.40~dfsg-1+deb10u1, plus listed versions
6.2.40~dfsg-1
6.2.40~dfsg-1+deb10u1
sympa
Mageia:7
before 6.2.42-1.1.mga7
6.2.42-1.1.mga7

History

History
RecordedChangedSources
affected, facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-9369 is a high vulnerability (CVSS 7.5) in Sympa, published February 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.92%, the 87th percentile. Fixed in sympa 6.2.40~dfsg-4.

References

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