aria2c in aria2 1.33.1, when --log is used, can store an HTTP Basic Authentication username and password in a file, which might allow local
aria2c in aria2 1.33.1, when --log is used, can store an HTTP Basic Authentication username and password in a file, which might allow local users to obtain sensitive information by reading this file.
- Published
- Jan 2, 2019
- Updated
- Jun 16, 2026
- EPSS
- 0.4% · 26th percentile
- CWE
- CWE-532
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| aria2 project | aria2 | cpe:2.3:a:aria2_project:aria2 |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- aria2 project aria21.33.1
- canonical ubuntu linux18.10
- canonical ubuntu linux19.04
- debian debian linux8.0
- debian debian linux9.0
- fedoraproject fedora28
- fedoraproject fedora29
- fedoraproject fedora30
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Alpine:v3.7 | aria2 | before 1.33.1-r1 | 1.33.1-r1 |
| Debian:12 | aria2 | before 1.34.0-4 | 1.34.0-4 |
| Debian:8 | aria2 | before 1.18.8-1+deb8u1 | 1.18.8-1+deb8u1 |
| Debian:9 | aria2 | before 1.30.0-2+deb9u1 | 1.30.0-2+deb9u1 |
| openSUSE:Tumbleweed | aria2 | before 1.36.0-1.2 | 1.36.0-1.2 |
| SUSE:Package Hub 15 | aria2 | before 1.33.1-bp150.3.7.1 | 1.33.1-bp150.3.7.1 |
| SUSE:Package Hub 15 | aria2 | before 1.33.1-bp150.3.7.1 | 1.33.1-bp150.3.7.1 |
| SUSE:Package Hub 15 SP1 | aria2 | before 1.35.0-bp153.2.3.1 | 1.35.0-bp153.2.3.1 |
| SUSE:Package Hub 15 SP1 | aria2 | before 1.35.0-bp153.2.3.1 | 1.35.0-bp153.2.3.1 |
Same product
aria2 project: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-8367aria2c Improper Certificate Validation21Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| alpine:aria2 | 1.33.1-r1 · Alpine:v3.7 | Package registry (OSV) |
| debian:aria2 | 1.34.0-4 · Debian:12 | Package registry (OSV) |
| opensuse:aria2 | 1.33.1-bp150.3.7.1 · openSUSE:Leap 15.0 | Package registry (OSV) |
| suse:aria2 | 1.33.1-bp150.3.7.1 · SUSE:Package Hub 15 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-532 · Insertion of Sensitive Information into Log FileCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/aria2/aria2/issues/1329
- lists.debian.org/debian-lts-announce/2019/01/msg00012.html
- lists.debian.org/debian-lts-announce/2021/12/msg00039.html
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/532M22TAOOIY3J4XX4R7BLZHXJRUSBQ2/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MUUYDELHRLVE2AFNVR3OJ6ILUKVLY4B/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5OLPTVYHJZJ2MVEXJCNPXBSFPVPE4XX/
- usn.ubuntu.com/3965-1/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.