CVE-2020-5202
apt-cacher-ng through 3.3 allows local users to obtain sensitive information by hijacking the hardcoded TCP port. The /usr/lib/apt-cacher-ng/acngtool program attempts to connect to apt-cacher-ng via
02 Description
apt-cacher-ng through 3.3 allows local users to obtain sensitive information by hijacking the hardcoded TCP port. The /usr/lib/apt-cacher-ng/acngtool program attempts to connect to apt-cacher-ng via
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 40.3% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-21 17:54Z6 YR AGO
- Last updated
- 2024-08-04 08:22Z2 YR AGO
- Reserved
- 2020-01-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- f7640487999c8d6d5b697c77b860b043294384990afd9be523cda66f6e4a863b
05 Affected products
06 References
- security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2020-5202
- www.openwall.com[oss-security] 20200120 CVE-2020-5202: apt-cacher-ng: a local unprivileged user can impersonate the apt-cacher-ng daemon, possible credentials leakhttp://www.openwall.com/lists/oss-security/2020/01/20/4
- seclists.org[oss-security] 20200120 CVE-2020-5202: apt-cacher-ng: a local unprivileged user can impersonate the apt-cacher-ng daemon, possible credentials leakhttps://seclists.org/oss-sec/2020/q1/21
- lists.opensuse.orgopenSUSE-SU-2020:0124http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00057.html
- lists.opensuse.orgopenSUSE-SU-2020:0146http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00065.html
07 Fixed in
Debian 12
- apt-cacher-ng Fixed in 3.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- apt-cacher-ng Fixed in 3.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- apt-cacher-ng Fixed in 3.3.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- apt-cacher-ng No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- apt-cacher-ng No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.