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CVE-2020-7045

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan...

6.5 MediumFix available

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.46%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
CVE-2020-7045
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
3.3 LowAV:A/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
CVE-2020-7045
Updated
2026-11-02
EUVDEUVD-2020-28179 No score

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
EUVD-2020-28179
Updated
2026-11-03
GitHub AdvisoriesGHSA-hx2c-xvp4-cgw4 No score

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan...

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
GHSA-hx2c-xvp4-cgw4
Weakness
CWE-74
Updated
2026-11-02
OSVALPINE-CVE-2020-7045 6.5

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
ALPINE-CVE-2020-7045
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 6.5

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
CVE-2020-7045
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-7045 6.5

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
DEBIAN-CVE-2020-7045
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-7045 6.5

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Record
UBUNTU-CVE-2020-7045
CVSS 3.1
6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2020-0044 No score

Updated wireshark packages fix security vulnerability

Updated wireshark packages fix security vulnerability:

BT ATT dissector crash (CVE-2020-7045).

Record
MGASA-2020-0044
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.10
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.11
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.12
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.13
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.14
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.15
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.16
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.17
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.18
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.19
 3.0.0 up to 3.0.8-r0
3.0.8-r0
Show 13 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.20
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.21
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.22
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.23
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Alpine:v3.24
 3.0.0 up to 3.0.8-r0
3.0.8-r0
wireshark
Debian:12
 before 3.2.0-1
3.2.0-1
wireshark
Debian:13
 before 3.2.0-1
3.2.0-1
wireshark
Debian:14
 before 3.2.0-1
3.2.0-1
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 3.0.8-1.mga7
3.0.8-1.mga7
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

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-2020-7045 is a medium vulnerability (CVSS 6.5) in Wireshark, published January 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in wireshark 3.0.8-r0.

References

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