CVE-2021-44038: quagga Link Following
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2021-44038openSUSE-SU-2024:12504-1
Published 19-11-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-44038 is a high (CVSS 7.8) Link Following vulnerability in quagga. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.79%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 19-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.79%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.79% on 19-09-2026
19-09-202619-10-2026
EPSS score0.79%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.suse.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Opensuse1 product
- quagga&distro=openSUSE Tumbleweed< 1.2.4-5.1
Quagga1 product
- quagga≤ 1.2.4
Ubuntu1 product
- quaggaAll versions (No fix recorded)
3 vendors · 3 products
