CVE-2013-10031
Plack::Middleware::Session versions before 0.17 for Perl may be vulnerable to HMAC comparison timing attacks
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Plack::Middleware::Session versions before 0.17 for Perl may be vulnerable to HMAC comparison timing attacks
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
CVE-2013-10031- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-1254
- Updated
- 2026-11-02
EUVDEUVD-2013-7289
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
EUVD-2013-7289- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rvh4-4hm5-gx4x
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
GHSA-rvh4-4hm5-gx4x- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-1254
- Updated
- 2026-11-02
NVD
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
CVE-2013-10031- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-1254
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-10031
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
DEBIAN-CVE-2013-10031- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2013-10031
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
- Record
UBUNTU-CVE-2013-10031- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libplack-middleware-session-perlDebian:12 |
before 0.21-1 | 0.21-1 |
libplack-middleware-session-perlDebian:13 |
before 0.21-1 | 0.21-1 |
libplack-middleware-session-perlDebian:14 |
before 0.21-1 | 0.21-1 |
libplack-middleware-session-perlUbuntu:16.04:LTS |
All versions, plus listed versions 0.30-1 |
None known |
libplack-middleware-session-perlUbuntu:18.04:LTS |
All versions, plus listed versions 0.30-10.30-2 |
None known |
libplack-middleware-session-perlUbuntu:20.04:LTS |
All versions, plus listed versions 0.32-10.33-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-10031 is a high vulnerability (CVSS 7.5) in Miyagawa Plack::middleware::session, published December 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in libplack-middleware-session-perl 0.21-1.
References
github.com/plack/Plack-Middleware-Session/commit/b7f0252269ba1bb812b5dc02303754fe94c808e4
nvd.nist.gov/vuln/detail/CVE-2013-10031
security-tracker.debian.org/tracker/CVE-2013-10031
ubuntu.com/security/CVE-2013-10031
cve.org/CVERecord?id=CVE-2013-10031
lists.security.metacpan.org/cve-announce/msg/35012183