CVE-2020-11729
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session...
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
CVE-2020-11729- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE ListNo score
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
CVE-2020-11729- Updated
- 2026-11-02
EUVDEUVD-2020-4071No score
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
EUVD-2020-4071- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9cpg-qfgf-gwq7No score
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session...
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
GHSA-9cpg-qfgf-gwq7- Updated
- 2026-11-02
OSV
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
CVE-2020-11729- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-11729
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
DEBIAN-CVE-2020-11729- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-11729
An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Long-term session cookies, uses to provide long-term session continuity, are not generated securely, enabling a brute-force attack that may be successful.
- Record
UBUNTU-CVE-2020-11729- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-12
OSVUSN-9048-1No score
awl vulnerabilities
Andrew Bartlett discovered that AWL did not properly generate session keys. A remote attacker could possibly use this issue to guess a session key and impersonate another user's session. (CVE-2020-11728)
It was discovered that AWL did not securely generate long-term session cookies. A remote attacker could possibly use this issue to guess a session cookie through a brute-force attack and gain access to another user's session. (CVE-2020-11729)
- Record
USN-9048-1- Updated
- 2026-11-12
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
awlDebian:12 | before 0.61-1 | 0.61-1 |
awlDebian:13 | before 0.61-1 | 0.61-1 |
awlDebian:14 | before 0.61-1 | 0.61-1 |
awlDebian:8 From an advisory covering 2 CVEs | before 0.55-1+deb8u1, plus listed versions 0.55-1 | 0.55-1+deb8u1 |
awlDebian:9 From an advisory covering 2 CVEs | before 0.57-1+deb9u1, plus listed versions 0.57-1 | 0.57-1+deb9u1 |
awlDebian:10 From an advisory covering 2 CVEs | before 0.60-1+deb10u1, plus listed versions 0.60-10.60-1+deb10u1~bpo9+1 | 0.60-1+deb10u1 |
awlUbuntu:Pro:16.04:LTS | before 0.56-1ubuntu1+esm1, plus listed versions 0.55-10.56-10.56-1ubuntu1 | 0.56-1ubuntu1+esm1 |
awlUbuntu:Pro:18.04:LTS | before 0.59-1ubuntu0.1~esm1, plus listed versions 0.57-10.58-10.59-1 | 0.59-1ubuntu0.1~esm1 |
awlUbuntu:20.04:LTS | before 0.60-1+deb10u1ubuntu1, plus listed versions 0.60-1 | 0.60-1+deb10u1ubuntu1 |
awlUbuntu:Pro:16.04:LTS From an advisory covering 2 CVEs | before 0.56-1ubuntu1+esm1, plus listed versions 0.55-10.56-10.56-1ubuntu1 | 0.56-1ubuntu1+esm1 |
awlUbuntu:Pro:18.04:LTS From an advisory covering 2 CVEs | before 0.59-1ubuntu0.1~esm1, plus listed versions 0.57-10.58-10.59-1 | 0.59-1ubuntu0.1~esm1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11729 is a critical vulnerability (CVSS 9.8) in Davical Andrew\'s Web Libraries, published April 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.16%, the 82nd percentile. Fixed in awl 0.61-1.