CVE-2020-25862: debian debian_linux
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-25862DEBIAN-CVE-2020-25862
Published 06-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-25862 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.35% chance of exploitation in the next 30 days, higher than 83.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 06-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.35%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.35% on 19-09-2026
19-09-202619-10-2026
EPSS score2.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- wireshark< 3.2.7-1
- debian_linuxEOL9.0
Fedoraproject1 product
- fedoraEOL31 | 32 | 33
Opensuse1 product
- leapEOL15.1 | 15.2
Oracle1 product
Ubuntu1 product
- wireshark< 2.6.10-1~ubuntu14.04.0~esm2 | < 2.6.10-1~ubuntu16.04.0+esm1 | < 2.6.10-1~ubuntu18.04.0+esm1 | < 3.2.3-1ubuntu0.1~esm1
Wireshark1 product
- wireshark≥ 2.6.0, ≤ 2.6.20 | ≥ 3.0.0, ≤ 3.0.13 | ≥ 3.2.0, ≤ 3.2.6
6 vendors · 7 products
References
14 links- gitlab.com/wireshark/wireshark/-/issues/16816X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
- gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753X Refsource MISCPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing ListX Refsource MLISTThird Party Advisory