Every CVE Search/ Get API key

CVE-2020-11647

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could...

7.5 HighFix available

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

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

3.51%Up 1.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
CVE-2020-11647
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-674
Updated
2026-11-02
CVE List No score

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
CVE-2020-11647
Updated
2026-11-02
EUVDEUVD-2020-3992 No score

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
EUVD-2020-3992
Updated
2026-11-03
GitHub AdvisoriesGHSA-248h-xgcm-3q77 No score

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could...

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
GHSA-248h-xgcm-3q77
Weakness
CWE-74
Updated
2026-11-02
OSVALPINE-CVE-2020-11647 7.5

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
ALPINE-CVE-2020-11647
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
2026-11-03
OSV 7.5

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
CVE-2020-11647
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
Show 7 moreShow less
OSVDEBIAN-CVE-2020-11647 7.5

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
DEBIAN-CVE-2020-11647
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-2020-11647 7.5

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Record
UBUNTU-CVE-2020-11647
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-2020-0172 No score

Updated wireshark packages fix security vulnerability

Updated wireshark packages fix security vulnerability:

The BACapp dissector could crash (CVE-2020-11647).

Record
MGASA-2020-0172
Updated
2026-11-02
OSVopenSUSE-SU-2020:1188-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • Wireshark to 3.2.5:
    • CVE-2020-15466: GVCP dissector infinite loop (bsc#1173606)
    • CVE-2020-13164: NFS dissector crash (bsc#1171899)
    • CVE-2020-11647: The BACapp dissector could crash (bsc#1169063)
  • Further features, bug fixes and updated protocol support as listed in: https://www.wireshark.org/docs/relnotes/wireshark-3.2.5.html

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:1188-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:1199-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • Wireshark to 3.2.5:
    • CVE-2020-15466: GVCP dissector infinite loop (bsc#1173606)
    • CVE-2020-13164: NFS dissector crash (bsc#1171899)
    • CVE-2020-11647: The BACapp dissector could crash (bsc#1169063)
  • Further features, bug fixes and updated protocol support as listed in: https://www.wireshark.org/docs/relnotes/wireshark-3.2.5.html

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:1199-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11513-1 No score

libwireshark14-3.4.8-1.2 on GA media

These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11513-1
Updated
2026-11-02
OSVSUSE-SU-2020:2144-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • Wireshark to 3.2.5:
    • CVE-2020-15466: GVCP dissector infinite loop (bsc#1173606)
    • CVE-2020-13164: NFS dissector crash (bsc#1171899)
    • CVE-2020-11647: The BACapp dissector could crash (bsc#1169063)
  • Further features, bug fixes and updated protocol support as listed in: https://www.wireshark.org/docs/relnotes/wireshark-3.2.5.html
Record
SUSE-SU-2020:2144-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.10
 2.6.0 up to 3.0.10-r0
3.0.10-r0
wireshark
Alpine:v3.11
 2.6.0 up to 3.0.10-r0
3.0.10-r0
wireshark
Alpine:v3.12
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.13
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.14
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.15
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.16
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.17
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.18
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.19
 2.6.0 up to 3.2.3-r0
3.2.3-r0
Show 21 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.20
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.21
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.22
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.23
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.24
 2.6.0 up to 3.2.3-r0
3.2.3-r0
wireshark
Alpine:v3.9
 2.6.0 up to 2.6.16-r0
2.6.16-r0
wireshark
Debian:12
 before 3.2.3-1
3.2.3-1
wireshark
Debian:13
 before 3.2.3-1
3.2.3-1
wireshark
Debian:14
 before 3.2.3-1
3.2.3-1
wireshark
Debian:9
From an advisory covering 17 CVEs
 before 2.6.20-0+deb9u1, plus listed versions
2.2.6+g32dac6a-22.2.6+g32dac6a-2+deb9u12.2.6+g32dac6a-2+deb9u22.2.6+g32dac6a-2+deb9u32.2.7-1
Show 24 moreShow less
2.4.0-12.4.1-12.4.2-12.4.3-12.4.4-12.4.5-12.4.6-12.6.1-12.6.10-12.6.2-12.6.2-22.6.3-12.6.3-1~deb9u12.6.4-12.6.4-22.6.5-12.6.5-1~deb9u12.6.6-12.6.7-12.6.7-1~deb9u12.6.8-12.6.8-1.12.6.8-1.1~deb9u12.6.9-1
2.6.20-0+deb9u1
wireshark
Mageia:7
 before 3.0.10-1.mga7
3.0.10-1.mga7
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP1
From an advisory covering 3 CVEs
 before 3.2.5-3.38.1
3.2.5-3.38.1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP2
From an advisory covering 3 CVEs
 before 3.2.5-3.38.1
3.2.5-3.38.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
From an advisory covering 3 CVEs
 before 3.2.5-3.38.1
3.2.5-3.38.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
From an advisory covering 3 CVEs
 before 3.2.5-3.38.1
3.2.5-3.38.1
wireshark
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
Show 9 moreShow less
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.12.6.5-1~ubuntu14.04.12.6.6-1~ubuntu14.04.02.6.8-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm22.6.10-1~ubuntu14.04.0~esm3
 None known
wireshark
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
Show 8 moreShow less
2.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.02.6.5-1~ubuntu16.04.02.6.6-1~ubuntu16.04.02.6.8-1~ubuntu16.04.02.6.10-1~ubuntu16.04.02.6.10-1~ubuntu16.04.0+esm12.6.10-1~ubuntu16.04.0+esm2
 None known
wireshark
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.1
Show 7 moreShow less
2.6.4-2~ubuntu18.04.02.6.5-1~ubuntu18.04.02.6.6-1~ubuntu18.04.02.6.8-1~ubuntu18.04.02.6.10-1~ubuntu18.04.02.6.10-1~ubuntu18.04.0+esm12.6.10-1~ubuntu18.04.0+esm2
 None known
wireshark
openSUSE:Leap 15.1
From an advisory covering 3 CVEs
 before 3.2.5-lp151.2.12.1
3.2.5-lp151.2.12.1
wireshark
openSUSE:Leap 15.2
From an advisory covering 3 CVEs
 before 3.2.5-lp152.2.3.1
3.2.5-lp152.2.3.1
wireshark
openSUSE:Tumbleweed
From an advisory covering 163 CVEs
 before 3.4.8-1.2
3.4.8-1.2

History

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

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

In short

CVE-2020-11647 is a high vulnerability (CVSS 7.5) in Wireshark, published April 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.51%, the 89th percentile. Fixed in wireshark 3.0.10-r0.

References

Show 182 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open